Algebra 1 Videos

1,596 Video Lessons

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BASICS – 275 Video Lessons
VARIABLE AND VERBAL EXPRESSIONS
  1. The Difference of 10 and 5
  2. The Quotient of 14 and 7
  3. u decreased by 17
  4. Half of 14
  5. X increased by 6
  6. The Product of x and 7
  7. The Sum of q and 8
  8. 6 squared
  9. Twice q
  10. The Product of 8 and 12
  11. The Quotient of 18 and n
  12. n Cubed​
  13. x/2
  14. a+9
  15. 19-3
  16. 5n
  17. q^2
  18. 40/5
  19. a/8
  20. x+8
  21. n-14
  22. 2^2
  23. 60/5
  24. n • 6
  25. ​5 squared
  26. The Product of 8 and 10
  27. 20 Decreased by 17
  28. The Quotient of 96 and 8
  29. Twice 6
  30. 10 less than 17
  31. 9 times 5
  32. 10 increased by 8
  33. 7 Squared
  34. The Product of 4 and 5​
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ORDER OF OPERATIONS
  1. ​​3(6 + 7)
  2. 5 x 3 x 2
  3. ​72 ÷ 9 + 7
  4. 2 + 7 x 5
  5. 9 + 8 – 7
  6. 9 – 32 ÷ 4
  7. 5(10 – 1)
  8. 48 ÷ (4 + 4)
  9. 20 ÷ (4- (10 – 8))
  10. 40 ÷ 4 – (5 – 3)
  11. 9 + 9 + 6 – 5
  12. (5 + 16) ÷ 7 – 2​
  13. 7 + 10 x 5 + 10
  14. (6 + 25 – 7) ÷ 6
  15. (6 – 4) x 49 ÷ 7
  16. (7 x 5) ÷ 5
  17. ((43 – 1)/(4 + 2)) + 10
  18. (8 x 5) x (35/5) + 6
  19. 27/(2 + 3 + 4) + 3
  20. 45/(8(5 – 4) – 3)
  21. 8 x (15/5) – (5 + 9)
  22. 2 x 7 – 10/(9 – 4)
  23. ​(10 + 2 – 2) x 6 – 1
  24. 49/7 x 60/(2 x 5)
  25. (2 + 6 x 2 + 2 – 4) x 2
  26. 8/(5 – 1) x (3 + 6) x 3
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ADDING POSITIVE AND NEGATIVE NUMBERS
  1. ​​(-7) + 9
  2. (-8) + (-1)
  3. (-1) + 5
  4. (-6) + 12
  5. (-8) + (-5)
  6. 11 + (-2)
  7. 49 + (-15)
  8. (-47) + 30
  9. 49 + (-27)
  10. (-29) + 9
  11. ​43 + (-1)
  12. 10 + (-2) + 1
  13. (-2) + 11 + 4
  14. 12 + 7 + (-4)
  15. (-7) + 3 + 9
  16. (-1) + 11 + 5
  17. 2 + 10 + (-10) + 10
  18. ​10 + (-11) + 5 + (-5)
  19. 2 + 6 + (-7) + 10
  20. (-5) + (-8) + (-2) + 1
  21. (-6.8) + (-1.9)
  22. 2.489 + (-4.3)
  23. ​(-4.7) + 5.7
  24. (-5) + (-7.1)
  25. (-3.9) + 7.1 + (-7.8)
  26. (-4.5) + 4.9 + 3.4
  27. (-2.1) + (-1) + (-7.6)
  28. 0.85 + (-2.4) + 4.5
  29. 5/3 + (-7/5)
  30. 8/5 + (1/3)
  31. (-1/3) + (-3/5)
  32. 1/2 + (-5/3)
  33. 2 + (-1/4)
  34. ​(-1/4) + (-3/2)
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ADDING AND SUBTRACTING POSITIVE AND NEGATIVE NUMBERS
  1. ​(-2) + 3
  2. (-14) + (-7)
  3. 3 – (-8)
  4. (-9) + 14
  5. (-8) -(-2)
  6. 5 + (-8)
  7. (-27) – 24
  8. (-41) + (-40)
  9. 38 – (-17)
  10. (-44) + (-9)
  11. (-16) – (-36)
  12. (-6) – 24
  13. (-16) – 6 + (-5)
  14. 15 – 13 + 2
  15. 16 – (-13) – (-5)
  16. (-7) – (-2) – 9
  17. ​(-11) – (-14) + 7
  18. 7 + (-1) + 12 – 7
  19. 6 + (-7) + (-5) – (-2)
  20. (-3) + 5 + (-5) +12
  21. (-11) – 8 + 1 – (-6)
  22. 10 – (-10) – 7 – 5
  23. 6 – 3.98
  24. 5.8 + (-2.5)
  25. 1.8 – (-3.7)
  26. 7 – 2.8
  27. (-0.8) + (-7.2) – 5.4
  28. 1.7 – (-0.8) + 4.013
  29. ​(-3/2) + 8/5
  30. 7/4 – (-1/2)
  31. (-1/5) + 7/4
  32. 2/5 – 4/5
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MULTIPLYING AND DIVIDING POSITIVES AND NEGATIVES
  1. ​10/5
  2. -24/12
  3. -20/-2
  4. -300/-20
  5. 65/5
  6. -66/-6
  7. 75/-15
  8. -56/-14
  9. 102/-17
  10. -72/4
  11. 153 ÷ 17
  12. 12 ÷ -3
  13. 48 ÷ 6
  14. -120 ÷ -20
  15. 306 ÷ 18
  16. -65 ÷ 13
  17. -85 ÷ -17
  18. 128 ÷ -16
  19. -180 ÷ 15
  20. 234 ÷ -13
  21. -11 x 9
  22. -7 x -12
  23. -8 x -11
  24. -6 x 4
  25. -3 x -11
  26. -5 x -9
  27. 9 x -7
  28. -9 x -3
  29. 12 x -12
  30. 11 x -6
  31. 6 x -5 x 3
  32. 6 x -1 x 2
  33. 8 x -6 x -3
  34. -3 x 6 x -6
  35. (3)(3)(-1)(3)
  36. (-3)(3)(-3)(-3)
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EVALUATING EXPRESSIONS
  1. ​​​y ÷ 2 + x; use x = 1 and y = 2
  2. a – 5 – b; use a = 10 and b = 4
  3. p^2 + m; use m = 1 and p = 5
  4. y + 9 – x; use x = 1 and y = 3
  5. m + p ÷ 5; use m = 1 and  p = 5
  6. y^2 – x; use x = 7 and y = 7
  7. z(x +y); use x = 6, y = 8 and z = 6
  8. x + y + y; use x = 9 and y = 10
  9. p^3 + 10 + m; use m =9 and p = 3
  10. 6q + m – m; use m = 8 and q = 3
  11. p^2m ÷ 4; use m = 4 and p = 7
  12. y – (z + z^2); use y = 10 and z = 2
  13. z – (y ÷ 3 – 1); use y = 3 and z = 7
  14. (y + x) ÷ 2 + x; use x = 1 and y = 1
  15. ​p – (9 – (m + q)); use m = 4, p = 5 and q = 3
  16. ​(a^2 – b) ÷ 6; use a = 5 and b = 1
  17. (6 + h^2 – j) ÷ 2; use h = 6 and j = 4
  18. y – (4 – x – y ÷ 2); use x = 3 and y = 2
  19. x^3 ÷ 3 – y; use x = 3 and y = 1
  20. (p + q)^2 – (5 – 5); use p = 1 and q = 1
  21. ​12k – h^2; use h = 2 and k = 3
  22. y ÷ 5 + 1 + x ÷ 6; use x = 6 and y = 5
  23. 6 ÷ 6 + z + x – y; use x = 2, y = 5 and z = 6
  24. y – z + xz ÷ 6; use x = 3, y = 4, and z = 4
  25. y/2 + x + 4 + z + y; use x = 7, y = 2 and z = 4
  26. c x bc/4 – (7 – a); use a = 4, b = 8 and c = 5
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COMBINING LIKE TERMS
  1. ​​-6k + 7k
  2. 12r – 8 – 12
  3. n – 10 + 9n – 3
  4. -4x – 10 x
  5. -r – 10 r
  6. -2x + 11 + 6x
  7. 11r – 12r
  8. -v + 12v
  9. -8x – 11x
  10. 4p + 2p
  11. 5n + 11n
  12. n + 4 – 9 – 5n
  13. 12r + 5 + 3r – 5
  14. -5 + 9n + 6
  15. n – 4 – 9
  16. 4n – n
  17. -3x – 9 + 15x
  18. -9k + 8k
  19. -16n – 14n
  20. 15n – 19n
  21. -4 + 7(1 – 3m)
  22. -5n + 3(6 + 7n)
  23. -2n – (9 – 10n)
  24. 10 – 5(9n – 9)
  25. 9a + 10(6a – 1)
  26. -9(6m – 3) + 6(1 + 4m)
  27. -10(1 – 9x) + 6(x – 10)
  28. 5(-2n + 4) + 2(n + 3)
  29. ​-3(10b + 10) + 5(b + 2)
  30. ​-7(n + 3) – 8(1 + 8n)
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USING THE DISTRIBUTIVE PROPERTY
  1. ​​​-6(a + 8)
  2. 4(1 + 9x)
  3. 6(-5a + 7)
  4. (9m + 10) • 2
  5. (-4 – 3a) • -8
  6. 8(-b – 4)
  7. (1 – 7a) • 5
  8. -6(x + 4)
  9. 5(3m – 6)
  10. (-6p + 7) • -4
  11. 5(b – 1)
  12. (x + 9) • 5
  13. -4(-8x – 8)
  14. -6(7 + x)
  15. -3(x – 5)
  16. -5(10x + 1)
  17. (1 +2v) • 5
  18. -8(1 – 5x)
  19. -7(5k – 4)
  20. -5(7a – 6)
  21. 5(n + 6)
  22. 4(3r – 8)
  23. 3(5 + 5x)
  24. (1 + 9x) • -10
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PERCENT OF CHANGE
  1. ​​From 45 ft to 92 ft
  2. From 74 hours to 85 hours
  3. From 74 ft to 75 ft
  4. From 36 inches to 90 inches
  5. From 94 miles to 34 miles
  6. From 12 ft to 23 ft
  7. From 83 hours to 76 hours
  8. From 24 grams to 96 grams
  9. From 20 tons to 99 tons
  10. From 16 tons to 72 tons
  11. From 117 minutes to 91 minutes
  12. From 188 m 42 m
  13. From 362 m to 156 m
  14. From 139 minutes to 385 minutes
  15. From $328 to $333
  16. From 259 hours to 274 hours
  17. From 284 grams to 206 grams
  18. From $246 to $221
  19. From 309 grams to 299 grams
  20. From 326 ft to 241 ft
  21. From 4048 minutes to 7548 minutes
  22. From 2150 miles to 7895 miles
  23. From 4359 ft to 5377 ft
  24. From 5876 m to 6820 m
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EQUATIONS – 302 Video Lessons
ONE-STEP EQUATIONS
  1. ​​​26 = 8 + v
  2. 3 + p = 8
  3. 15 + b = 23
  4. -15 + n = -9
  5. m + 4 = -12
  6. x – 7 = 13
  7. m – 9 = -13
  8. p – 6 = -5
  9. v – 15 = -27
  10. n + 16 = 9
  11. -104 = 8x
  12. 14b = -56
  13. -6 = b/18
  14. 10n = 40
  15. v/8 = 2
  16. 16 = k/11
  17. -15x = 0
  18. -17x = -204
  19. 21 = -7n
  20. m/4 = -13
  21. -126 = 14k
  22. -143 = -11x
  23. -16 + x = -15
  24. n – 8 = -10
  25. v/7 = 8
  26. a + 11 = 20
  27. -7 + m = 8
  28. 18 + m = 8
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TWO-STEP EQUATIONS
  1. ​​6 = a/4 + 2
  2. -6 + x/4 = -5
  3. 9x – 7 = -7
  4. 0 = 4 + n/5
  5. -4 = r/20 – 5
  6. -1 = (5 + x)/6
  7. (v + 9)/3 = 8
  8. 2(n + 5) = -2
  9. -9x + 1 = -80
  10. -6 = n/2 – 10
  11. -2 = 2 + v/4
  12. 144 = -12(x + 5)
  13. -15 = -4m + 5
  14. 10 – 6v = -104
  15. 8n + 7 = 31
  16. -9x – 13 = -103
  17. (n + 5)/ -16 = -1
  18. -10 = -10 + 7m
  19. -10 = 10(k – 9)
  20. m/9 – 1 = -2
  21. 9 + 9n = 9
  22. 7(9 + k) = 84
  23. 8 + b/-4 = 5
  24. -243 = -9(10 + x)
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MULTI-STEP EQUATIONS
  1. ​​-20 = -4x – 6x
  2. 6 = 1 – 2n + 5
  3. 8x – 2 = -9 + 7x
  4. a + 5 = -5a + 5
  5. 4m – 4 = 4m
  6. p – 1 = 5p + 3p – 8
  7. 5p – 14 = 8p + 4
  8. p – 4 = -9 +p
  9. -8 = -(x + 4)
  10. 12 = -4(-6x – 3)
  11. 14 = -(p – 8)
  12. -(7 – 4x) = 9
  13. -18 – 6k = 6(1 + 3k)
  14. 5n + 34 = -2(1 – 7n)
  15. 2(4x – 3) – 8 = 4 + 2x
  16. 3n – 5 = -8(6 + 5n)
  17. -(1 + 7x) – 6(-7 – x) = 36
  18. -3(4x + 3) + 4(6x + 1) = 43
  19. 24a -22 = -4(1 – 6a)
  20. -5(1 – 5x) + 5(-8x – 2) = -4x – 8x
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ABSOLUTE VALUE EQUATIONS
  1. ​​​|6m| = 42
  2. |-6x| = 30
  3. |k – 10| = 3
  4. |x/7| = 3
  5. |7 + p| = 7
  6. |-3p| = 15
  7. 7|n| = 56
  8. |m|/5 = 3
  9. -3|p| = -12
  10. |m| + 2 = 11
  11. |n| + 1 = 2
  12. |x|/7= 5
  13. |a – 5|/8 = 5
  14. 4 |n + 8| = 56
  15. |7m| + 3 = 73
  16. |x/7| – 8 = -7
  17. |-9 + v|/8 = 3
  18. -10 |v + 2| = -70
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RADICAL EQUATIONS PART 1
  1. √x = 10
  2. 10 = √(m/10)
  3. √(v – 4) = 3
  4. 6 = √(v – 2)
  5. √n = 9
  6. 5 = √(x+3)
  7. ​2 = √4b
  8. √(n+9) = 1
  9. -8 + √(5a – 5) = -3
  10. 10√9x = 60
  11. 1 = √(x – 5)
  12. -10√(v – 10) = -60
  13. 10 + √(10m – 1) = 13
  14. -12 = -6√(b + 4)
  15. √(v + 3) – 1 = 7
  16. 90 = 9√25v
  17. √3n = √(4n – 1)
  18. √(2n – 88) = √(n/6)
  19. √(x/10) = √(3x – 58)
  20. √(3n + 12) = √(n + 8)
  21. √n = √(2n – 6)
  22. √(11 – x) = √(x – 7)
  23. √(72 – x) = √(x/5)
  24. √(x + 3) = √(1 – x)
  25. √(2k + 40) = √(-16 – 2k)
  26. √(x + 8) = √(3x + 8)
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RADICAL EQUATIONS PART 2
  1. ​​√(110 – n) = n
  2. p = √(2 – p)
  3. √(30 – x) = x
  4. x = √8x
  5. x = √(42 – x)
  6. √(12 – r) = r
  7. √4n = n
  8. √5v = v
  9. r = √10r
  10. m = √(56 – m)
  11. b = √(-4 + 4b)
  12. r = √8r
  13. √(-16 + 10a) = a
  14. r = √(-1 – 2r)
  15. √(-45 + 14n) = n
  16. x = √(110 – x)
  17. ​√9n = n
  18. x = √(40 – 3x)
  19. √(90 – n) = n
  20. x = √(-70 + 17 x)
  21. √(4n + 8) = n + 3
  22. -n + √(6n + 19) = 2
  23. 4 + √(-3m + 10) = m
  24. x – 5 = √(x + 1)
  25. n – 7 = √(3n – 21)
  26. b – 6 = √(18 – 3b)
  27. -3 + √(m + 59) = m
  28. √(7a – 54) – a = -6
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SOLVING RATIONAL EQUATIONS PART 1
  1. ​​​3/m^2 = (m-4)/3m^2 + 2/3m^2
  2. ​1/n = 1/5n – (n-1)/5n
  3. ​1/3x^2 = (x+3)/2x^2 – 1/6x^2
  4. ​4/n^2 = 5/n – 1/n^2
  5. (3n+15)/4n^2 = 1/n^2 – (n-3)/4n^2
  6. 1/2n^2 + 5/2n = (n-2)/n^2
  7. ​(x-6)/x = (x + 4)/x + 1
  8. ​1/2n + 1/4n^2 = 1/4n
  9. ​(6b+18)/b^2 + 1/b = 3/b
  10. 1/2x – (x-1)/2x^2 = 3/x
  11. 1/(x^2-3x) + 1/(x-3) = 3/(x^2-3x)
  12. ​1/(b^2-7b+10) + 1/(b-2) = 2/(b^2-7b+10)
  13. ​6/p = 1/(p-5) – (p+4)/(p^2-5p)
  14. (5x-20)/(x^2-9x+18) + 1/(x-6) = (x-4)/(x^2-9x+18)
  15. 1/(5k^2+2k) – 6/(5k+2) = 6/(5k^2+2k)
  16. 6/(n^2-6n+8) = 1/(n^2-6n+8) – 1/(n-4)
  17. 4/a = 1/(a^2+4a) – (a+3)/(a^2+4a)
  18. 3/(k^2+5k+6) – (k-6)/(k^2+5k+6) = 1/(k+3)
  19. (v-3)/(v^2+3v) = 1/(v+3) – (v-5)/(v^2+3v)
  20. 1 = 3/(m+3) + 3m/(m+3)
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SOLVING RATIONAL EQUATIONS PART 2
  1. (k+4)/4+(k-1)/4=(k+4)/4k
  2. 1/2m^2=1/m-1/2​
  3. (n^2-n-6)/n^2-(2n+12)/n=(n-6)/2n
  4. (3x^2+24x+48)/x^2+(x-6)/2x^2=1/x^2
  5. (k^2+2k-8)/3k^3=1/3k^2+1/k^2
  6. k/3-1/3k=1/k
  7. (x-4)/6x+(x^2-3x-10)/6x=(x-1)/6
  8. 1/x^2=(x-1)/x+1/x
  9. 1/(r+3)=(r+4)/(r-2)+6/(r-2)
  10. (a^2-4a-12)/(a^2-10a+25)=6/(a-5)+(a-3)/(a-5)
  11. 1/(n+3)+(n^2+6n+5)/(n+3)=n-3
  12. 1/2=(x^2-7x+10)/4x-1/2x
  13. 1/k=5+1/(k^2+k)
  14. 1/(p^2-4p)+1=(p-6)/p
  15. 5/n-6/(n^3-2n^2)=(n^2+5n-6)/(n^3-2n^2)
  16. (x+2)/x=(x-1)/x-(4x+2)/(x^2-3x)
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PERCENT PROBLEMS
  1. ​​​What percent of 29 is 3?
  2. What percent of 33.5 is 21?
  3. What percent of 55 is 34?
  4. 41% of 78 is what?
  5. 28% of 63 is what?
  6. 58% of what is 63.4?
  7. 1 is what percent of 52.6?
  8. What percent of 38 is 15?
  9. 4% of 73 is what?
  10. What is 12% of 17.5?
  11. 79% of 67 miles is what?
  12. What is 59% of 14 m?
  13. 112 minutes is 76% of what?
  14. What is 16% of 43 minutes?
  15. $73 is what percent of $125?
  16. What is 90% of 130 inches?
  17. What is 68% of 118 tons?
  18. What percent of 180.4 minutes is 25.7 minutes?
  19. 16 inches if 35% of what?
  20. 90% of 54.4 hours is what?
  21. 140 ft is 97% of what?
  22. What is 170% of 97 tons?
  23. What is 103% of 127 tons?
  24. ​102 hours is 94% of what?
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DISTANCE – RATE – TIME WORD PROBLEMS
  1. An aircraft carrier made a trip to Guam and back. The trip there took three hours, and the trip back took four hours. It averaged 6 km/h on the return trip. Find the average speed of the trip there.
  2. A passenger plane made a trip to Las Vegas and back. On the trip there it flew 432 mph, and on the return trip it went 480 mph. How long did the trip there take if the return trip took nine hours?
  3. A cattle train left Miami and traveled toward New York. 14 hours later a diesel train left traveling at 45 km/h in an effort to catch up to the cattle train. After traveling for four hours the diesel train finally caught up. What was the cattle train’s average speed?
  4. Jose left the White House and drove toward the recycling plant at an average speed of 40 km/h. Rob left some time later driving in the same direction at an average speed of 48 km/h. After driving for five hours Rob caught up with Jose. How long did Jose drive before Rob caught up?
  5. A cargo plane flew to the maintenance facility and back. It took one hour less time to get there than it did to get back. The average speed on the trip there was 220 mph. The average speed on the way back was 200 mph. How many hours did the trip there take?
  6. Kali left school and traveled toward her friend’s house at an average speed of 40 km/h. Matt left one hour later and traveled in the opposite direction with an average speed of 50 km/h. Find the number of hours Matt needs to travel before they are 400 km apart.
  7. Ryan left the science museum and drove south. Gabriella left three hours later driving 42 km/h faster in an effort to catch up to him. After two hours Gabriella finally caught up. Find Ryan’s average speed.
  8. A submarine left Hawaii two hours before an aircraft carrier. The vessels traveled in opposite directions. The aircraft carrier traveled at 25 mph for nine hours. After this time the vessels were 280 mi. apart. Find the submarine’s speed.
  9. Chelsea left the White House and traveled toward the capital at an average speed of 34 km/h. Jasmine left at the same time and traveled in the opposite direction with an average speed of 65 km/h. Find the number of hours Jasmine needs to travel before they are 59.4 km apart.
  10. Jose left the airport and traveled toward the mountains. Kayla left 2.1 hours later traveling 35 mph faster in an effort to catch up to him. After 1.2 hours Kayla finally caught up. Find Jose’s average speed.
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MIXTURE WORD PROBLEMS
  1. 2m^3 of soil containing 35% sand was mixed into 6m^3 of soil containing 15% sand. What is the sand content of the mixture?
  2. 9 lbs. of mixed nuts containing 55% peanuts were mixed with 6 lbs. of another kind of mixed nuts that contain 40% peanuts. What percent of the new mixture is peanuts?
  3. 5 fl. oz. of a 2% alcohol solution was mixed with 11 fl. oz. of a 66% alcohol solution. Find the concentration of the new mixture.
  4. 16 lb of Brand M Cinnamon was made by combining 12 lb of Indonesian cinnamon which costs $19/lb with 4 lb of Thai cinnamon which costs $11/lb. Find the cost per lb of the mixture.
  5. Emily mixed together 9 gal. of Brand A fruit drink and 8 gal. of Brand B fruit drink which contains 48% fruit juice. Find the percent of fruit juice in Brand A if the mixture contained 30% fruit juice.
  6. How many mg of a metal containing 45% nickel must be combined with 6 mg of pure nickel to form an alloy containing 78% nickel?
  7. 7 L of an acid solution was mixed with 3 L of a 15% acid solution to make a 29% acid solution. Find the percent concentration of the first solution.
  8. 9 gal. of a sugar solution was mixed with 6 gal. of a 90% sugar solution to make a 84% sugar solution. Find the percent concentration of the first solution.
  9. A metallurgist needs to make 12.4 lb. of an alloy containing 50% gold. He is going to melt and combine one metal that is 60%
    gold with another metal that is 40% gold. How much of each should he use?
  10. Brand X sells 21 oz. bags of mixed nuts that contain 29% peanuts. To make their product they combine Brand A mixed nuts which contain 35% peanuts and Brand B mixed nuts which contain 25% peanuts. How much of each do they need to use?
Compile Video
LITERAL EQUATIONS
  1. g = 6x, solve for x
  2. u = 2x – 2, solve for x
  3. z = m – x, solve for x
  4. g = ca, solve for a
  5. u – x – k, solve for x
  6. g = c + x, solve for x
  7. u = k/a, solve for a
  8. g = xc, solve for x
  9. 12am=4, solve for a
  10. -3x + 2c = -3, solve for x
  11. am = n + p, solve for a
  12. u = ak/b, solve for a
  13. a – c = d – r, solve for a
  14. xm = np, solve for x
  15. z = b + m/a, solve for a
  16. g = x – c + y, solve for x
  17. g = b – ca, solve for a
  18. g = ca – b, solve for a
  19. ​2x + 4 = xg, solve for x
  20. g = (1 + 2a)/a, solve for a
  21. g = (x-c)/x, solve for x
  22. xm = x + z, solve for x
  23. u + ka = ba , solve for a
  24. u = kx + yx, solve for x
  25. u = 3b – 2a + 2, solve for a
  26. z = 9a – 9 – 3b, solve for a
  27. g = 4ca – 3ba, solve for a
  28. -3a – 3 = -2n + 3p, solve for a
  29. ​4x = -4r + 2d, solve for x
  30. u = (-2a -3)/ka, solve for a
Compile Video
SOLVING PROPORTIONS
  1. ​​10/8 = n/10
  2. ​7/5 = x/3
  3. 9/6 = x/10
  4. 7/n = 8/7
  5. 4/3 = 8/x
  6. 7/(b + 5) = 10/5
  7. 6/(b – 1) = 9/7
  8. 4/(m – 8) = 8/2
  9. 5/6 = (7n + 9)/9
  10. 4/9 = (r – 3)/6
  11. 7/9 = b/(b – 10)
  12. 9/(k – 7) = 6/k
  13. 4/(n + 2) = 7/n
  14. n/(n – 3) = 2/3
  15. (x – 3)/x = 9/10
  16. 5/(r – 9) = 8/(r + 5)
  17. (p + 10)/(p – 7) = 8/9
  18. 2/8 = (n + 4)/(n – 4)
  19. (n – 5)/(n + 8) = 2/7
  20. ​(n – 6)/(n – 7) = 9/2
Compile Video
WORK WORD PROBLEMS
  1. Working alone, Ryan can dig a 10 ft by 10 ft hole in five hours. Castel can dig the same hole in six hours. How long would it take them if they worked together?
  2. Shawna can pour a large concrete driveway in six hours. Dan can pour the same driveway in seven hours. Find how long it would take them if they worked together.
  3. It takes Trevon ten hours to clean an attic. Cody can clean the same attic in seven hours. Find how long it would take them if they worked together.
  4. Working alone, Carlos can oil the lanes in a bowling alley in five hours. Jenny can oil the same lanes in nine hours. If they worked together how long would it take them?
  5. Working together, Paul and Daniel can pick forty bushels of apples in 4.95 hours. Had he done it alone it would have taken Daniel 9 hours. Find how long it would take Paul to do it alone.
  6. Working together, Jenny and Natalie can mop a warehouse in 5.14 hours. Had she done it alone it would have taken Natalie 12 hours. How long would it take Jenny to do it alone?
  7. Rob can tar a roof in nine hours. One day his friend Kayla helped him and it only took 4.74 hours. How long would it take Kayla to do it alone?
  8. Working alone, it takes Kristin 11 hours to harvest a field. Kayla can harvest the same field in 16 hours. Find how long it would take them if they worked together.
  9. Krystal can wax a floor in 16 minutes. One day her friend Perry helped her and it only took 5.76 minutes. How long would it take Perry to do it alone?
  10. Working alone, Dan can sweep a porch in 15 minutes. Alberto can sweep the same porch in 11 minutes. If they worked together how long would it take them?
  11. Ryan can paint a fence in ten hours. Asanji can paint the same fence in eight hours. If they worked together how long would it take them?
  12. Working alone, it takes Asanji eight hours to dig a 10 ft by 10 ft hole. Brenda can dig the same hole in nine hours. How long would it take them if they worked together?
Compile Video

INEQUALITIES – 119 Video Lessons
GRAPHING INEQUALITIES
  1. n ≤ -5
  2. n ≤ 5
  3. x < 1
  4. r > 2
  5. n > 5
  6. r ≤ -2​​
  7. k≤-2
  8. m < -5
  9. x ≥ 2
  10. -5 ≥ v
  11. -2 ≥ v
  12. x < 5
  13. -x ≥ 2
  14. 5 ≥ -a
  15. x ≤ 2
  16. x ≤ 5
  17. -5 > b
  18. -2 > b
  19. <——(5)
  20. <——[-1]
  21. [-1]—–>
  22. <——[-5]
  23. <——[2]
  24. <——(-5)
Compile Video
ONE-STEP INEQUALITIES
  1. ​​-12 > x – 7
  2. -1 + r ≥ 4
  3. ​n – 6 ≤ -14
  4. b – 7 < -12
  5. a – 17 > -16
  6. 15 + x ≤ 0
  7. 3 + v ≤ -9
  8. 8 ≥ n – 6
  9. -3x > 3
  10. n/3 > 3
  11. k/4 < -4
  12. -9x ≥ -90
  13. 0 ≥ 7n
  14. m/5 ≥ -5
  15. -13x < -156
  16. 32 ≥ -16p
  17. -8 > v – 3
  18. 11 ≤ 5 + x
  19. 25 ≥ n + 13
  20. -168 > 12a
  21. -3 ≤ x -4
  22. r/3 > 6
  23. 12n ≥ 84
  24. -22 > -10 + b
Compile Video
TWO-STEP INEQUALITIES
  1. ​​2x + 4 ≥ 24
  2. m/3 – 3 ≤ -6
  3. -3(p + 1) ≤ -18
  4. -4(-4 + x) > 56
  5. -b – 2 > 8
  6. -4(3 + n) > -32
  7. 4 + n/3 < 6
  8. -3(r-4) ≥ 0
  9. -7x + 7 ≤ -56
  10. -3(p-7) ≥ 21
  11. -11x – 4 > -15
  12. (-9 + a)/15 > 1
  13. ​-1 ≤ (v – 2)/21
  14. ​-132 > 12(n + 9)
  15. (-11 + n)/15 < -1
  16. -90 ≥ -5(k – 3)
  17. 4 < 1 + n/7
  18. -1 > (12 + x)/4
  19. ​7n – 1 > -169
  20. -4b – 5 > -25
  21. 84 ≥ -7(v – 9)
  22. (-8 + r)/2 > -8
  23. (x/-6) – 8 ≤ -12
  24. (m-3)/2 ≤ 5
Compile Video
MULTI-STEP INEQUALITIES
  1. ​​3 < -5n + 2n
  2. 6x + 2 + 6x < 14
  3. -p – 4p > -10
  4. 18 ≥ 5k + 4k
  5. 9 ≥ -2m + 2 – 3
  6. -3 – 6(4x + 6) > -111
  7. 6 – 4(6n+7) ≥ 122
  8. -138 ≥ -6(6b-7)
  9. 167 < 6 + 7(2 – 7 r)
  10. 5(6 + 3r) + 7 ≥ 127
  11. -8x + 2x – 16 < -5x + 7x
  12. -1 – 6x -6 > -11 – 7x
  13. a – 6 ≤ 15 + 8a
  14. 13 + 2v – 8 + 6 > -7 – v
  15. -5n – 6n ≤ 8 – 8n – n
  16. -x < -x + 7(x – 2)
  17. -5n + 6 ≥ -7(5n – 6) – 6n
  18. 3(p – 3) – 5p > -3p – 6
  19. 28 – k ≥ 7(k – 4)
  20. 28 – 7x ≤ -4(-7x – 7)
  21. -6(1+7k) + 7(1 + 6k) ≤ -2
  22. -2(2 – 2x) – 4(x + 5) ≤ -24
  23. 3(1 – 2x) > 3 – 6x
  24. ​-2(5 + 6n) < 6(8 – 2n)
Compile Video
COMPOUND INEQUALITIES
  1. ​​​m – 2 < -8 or m/8 > 1
  2. -1 < 9 + n < 17
  3. 2x < 10 or x/2 ≥ 3
  4. x + 8 ≥ 9 and x/7 ≤ 1
  5. -3 ≤ p/2 < 0
  6. r + 5 ≥ 12 or r/9 < 0
  7. 7v – 5 ≥ 65 or -3 – 2 ≥ -2
  8. -10b + 3 ≤ -37 or 3b – 10 ≤ -25
  9. -1 + 5n > -26 and 7n – 2 ≤ 12
  10. -50 < 7k + 6 < -8
  11. 8x + 8 ≥ -64 and -7 – 8x ≥ -79
  12. 2n + 7 ≥ 27 or 3 + 3n ≤ 30
  13. -36 < 3p – 6 < -15
  14. -1 – 10a < -1 or 10 + 3a ≤ -5
  15. 3n + 2 < -2 + 7n or 8n – 4 ≤ 3n – 4
  16. 8r – 5 ≥ 6r – 1 or 4 + 4r ≤ 3r – 3
  17. 5x – 5 > -7x – 5 or 3x + 5 ≤ x – 1
  18. ​6 + 7 < 6m – 5 or 3m – 7 < 5 + 6m
Compile Video
LINEAR EQUATIONS AND INEQUALITIES – 104 Video Lessons
FINDING SLOPE FROM TWO POINTS
  1. ​​(19, -16), (-7, -15)
  2. (1, -19), (-2, -7)
  3. (-4, 7), (-6, -4)
  4. (20, 8), (9, 16)
  5. (17, -13), (17, 8)
  6. (19, 3), (20, 3)
  7. (3, 0), (-11, -15)
  8. (19, -2), (-11, 10)
  9. (6, -10), (-15, 15)
  10. (12, -18), (-15, -18)
  11. (3, -20), (5, 8)
  12. (15, 8), (-17, 9)
  13. (-19, 12), (-9, 1)
  14. (12, 2), (-7, 5)
  15. (6, -12), (15, -3)
  16. (9, 3), (19, -17)
Compile Video
FINDING SLOVE FROM AN EQUATION
  1. y = -5/2x – 5
  2. y = -4/3x – 1
  3. y = -x + 3
  4. y = -4x – 1
  5. 2x – y = 1
  6. x + 2y = -8
  7. 8x + 3y = -9
  8. 4x + 5y = -10
  9. x – y = -2
  10. 4x – 3y = 9
  11. 3x + 2y = 6
  12. 4x – 5y = 0
  13. y = -1
  14. x + 5y = -15
  15. -2y – 10 + 2x = 0
  16. x + 5y = -15
  17. 3x + 20 = -4y
  18. -15 – x = -5y
  19. -1 = -2x + y
  20. -x – 1 = y
  21. 0 = 5y – x
  22. -30 + 10y = -2x
Compile Video

GRAPHING LINES USING SLOPE-INTERCEPT FORM
  1. ​​y = (7/2)x – 2
  2. y = -6x + 3
  3. y = -5
  4. y = (6/5)x + 1
  5. y = (1/4)x + 2
  6. x = 5
  7. y = (5/3)x
  8. x = 0
  9. y = (1/3)x + 3
  10. y = (1/5)x – 4
  11. y = (1/2)x – 2
  12. y = 2x + 5
Compile Video
GRAPHING LINES USING STANDARD FORM
  1. 7x + y = 5
  2. 3x + 5y = -5
  3. y = 4
  4. 6x + 5y = 20
  5. x = -3
  6. 2x + y = 4
  7. x + y = 3
  8. 10x – 3y = 15
  9. x – y = 3
  10. y = 0
  11. x + y = -3
  12. x + y = -1
Compile Video
GRAPHING ABSOLUTE VALUE FUNCTIONS
  1. y = |x – 2| – 4
  2. y = | x + 1|
  3. y = |x| + 1
  4. y = |x| + 2
  5. y = |x + 2|
  6. y = |x + 1| + 3
  7. y = -|x – 2| – 2
  8. y = -|x + 1| + 4
  9. y = -|x + 4| + 2
  10. y = -|x – 1| + 1
  11. y = -|x – 2| + 4
  12. y = -|x – 1| – 1
Compile Video
WRITING LINEAR EQUATIONS
  1. 3x−2y=−16
  2. 13x−11y=−12
  3. 9x−7y=−7
  4. x−3y=6
  5. 6x+5y=−15
  6. 4x− y=1
  7. 11x−4y=32
  8. 11x−8y=−48
  9. through: (1, 2), slope = 7
  10. through: (3, −1), slope = −1
  11. through: (−2, 5), slope = −4
  12. through: (3, 5), slope = 5/3 
  13. through: (2, −4), slope = −1
  14. through: (2, 5), slope = undefined
  15. through: (3, 1), slope = 1/2
  16. through: (−1, 2), slope = 2
  17. through: (4,2), parallel to y = −3/4x − 5
  18. through: (−3,−3), parallel to y = 7/3x + 3
  19. through: (−4, 0), parallel to y = ​3/4x − 2
  20. through: (−1, 4), parallel to y = −5x + 2
  21. through: (2, 0), parallel to y = 1/3x + 3
  22. through: (4, −4), parallel to y = −x − 4
  23. through: (−2,4), parallel to y = −5/2x + 5
  24. through: (−4,-1), parallel to y=−1/2x − 1
Compile Video

EXPONENTS – 54 Video Lessons
PROPERTIES OF EXPONENTS (EASY)
  1. 2m^2 • 2m^3
  2. m^4 • 2m^−3
  3. 4r^-3 • 2r^2
  4. 4n^4 • 2n^-3
  5. 2k^4 • 4k
  6. 2x^3y^-3 • 2x^-1y^3
  7. 2y^2 • 3x
  8. 4v^3 • vu^2
  9. 4a^3b^2 • 3a^-4b^-3
  10. x^2y^-4 • x^3y^2
  11. (x^2)^0
  12. (2x^2)^-4
  13. (4r^0)^4
  14. (4a^3)^2
  15. (3k^4)^4
  16. (4xy)^-1
  17. (2b^4)^-1
  18. (x^2y^-1)^2
  19. (2x^4y^-3)^-1
  20. (3m)^-2
  21. (r^2) / (2r^3)
  22. (x^-3) / (4x^4)
  23. (3n^4) / (3n^3)
  24. (m^4) / (2m^4)
  25. (3m^-4) / (m^3)
  26. (2x^4y^-4z^-3) / (3x^2y^-3z^4)
  27. (4x^0y^-2z^3) / (4x)
  28. (2h^3j^-3k^4) / (3jk)
  29. (4m^4n^3p^3) / (3m^2n^2p^4)
  30. (3x^3y^-1z^-1) / (x^-4y^0z^0)
Compile Video
PROPERTIES OF EXPONENTS (HARD)
  1. (x^-2x^-3)^4
  2. (x^4)^-3 • 2x^4
  3. (n^3)^3 • 2n^-1
  4. (2v)^2 • 2v^2
  5. (2x^2y^4 • 4x^2y^4 • 3x) / (3x^-3y^2)
  6. (2y^3 • 3xy^3) / (3x^2y^4)
  7. (x^3y^3 • x^3) / (4x^2)
  8. (3x^2y^2) / (2x^-1 • 4yx^2)
  9. x / (2x^0)^2
  10. (2m^-4) / (2m^-4)^3
  11. (2m^2)^-1 / m^2
  12. 2x^3 / (x^-1)^3
  13. (a^-3b^-3)^0
  14. x^4y^3 • (2y^2)^0
  15. ba^4 • (2ba^4)^-3
  16. (2x^0y^2)^-3 • 2yx^3
  17. (2k^3 • k^2) / k^-3
  18. (x^-3)^4x^4 / 2x^-3
  19. (2x)^-4 / (x^-1 • x)
  20. (2x^3z^2)^3 / (x^3y^4z^2 • x^-4z^3)
  21. ((2pm^-1q^0)^-4 • 2m^-1p^3) / 2pq^2
  22. (2hj^2k^-2 • h^4j^-1k^4)^0  / (2h^-3j^-4k^-2)
Compile Video

POLYNOMIALS – 233 Video Lessons
NAMING POLYNOMIALS
  1. ​​​​2p^4 + p^3
  2. -10a
  3. 2x^2
  4. -10k^2 + 7
  5. -5n^4 + 10n – 10
  6. -6a^4 + 10a^3
  7. 6n
  8. 1
  9. -9n + 10
  10. 5a^2 – 6a
  11. 8p^5 – 5p^3 + 2p^2 – 7
  12. -7n^7 + 7n^4
  13. -8n^4 + 5n^3 – 2n^2 – 8n
  14. 9v^7 + 7v^6 + 4v^3 – 1
  15. 9x^2 + 3x
  16. -6
  17. -10k^4 + k^2 – k
  18. 8a + 1
  19. 9r^6 – 8
  20. 9n^5 – 8n^3
  21. 2n^5
  22. -10x^5
  23. 4x – 9x^2 + 4x^3 – 5x^4
  24. 10 + 8x
  25. -4 – 2a^a + 8a
  26. 4b^6 + 5b^5 + b^4
  27. -1
  28. 7n^5 + 10n^4 – 3n + 10n^7
  29. 4
  30. ​4r^6 – 3r^2 – 8r^4
Compile Video
ADDING AND SUBTRACTING POLYNOMIALS
  1. ​​​(5p^2 – 3) + (2p^2 – 3p^3 )
  2. (a^3 – 2a^2) – (3a^2 – 4a^3)
  3. (4 + 2n^3) + (5n^3 + 2)
  4. (4n – 3n^3) – (3n^3 + 4n)
  5. (3a^2 + 1) – (4 + 2a^2)
  6. (4r^3 + 3r^4) – (r^4 – 5r^3)
  7. (5a + 4) – (5a + 3)
  8. (3x^4 – 3x) – (3x – 3x^4)
  9. (-4k^4 + 14 + 3k^2) + (-3k^4 – 14k^2 – 8)
  10. (3 – 6n^5 – 8n^4) – (-6n^4 – 3n – 8n^5)
  11. (12a^5 – 6a – 10a^3) – (10a – 2a^5 – 14 a^4)
  12. (8n – 3n^4 + 10n^2) – (3n^2 + 11n^4 – 7)
  13. (-x^4 + 13x^5 + 6x^3) + (6x^3 + 5x^5 + 7x^4)
  14. (9r^3 + 5r^2 + 11r) + (-2r^3 + 9r – 8r^2)
  15. (13n^2 + 11n – 2n^4) + (-13n^2 – 3n -6n^4)
  16. (-7x^5 + 14 -2x) + (10x^4 + 7x + 5x^5)
  17. ​(13a^2 – 6a^5 – 2a) – (-10a^2 – 11a^5 + 9a)
  18. ​(7 – 13x^3 – 11x) – (2x^3 + 8 – 4x^5)​
  19. (3v^5 + 8v^3 – 10v^2) – (-12v^5 + 4v^3 + 14v^2)
  20. (8b^3 – 6 + 3b^4) – (b^4 – 7b^3 – 3)
  21. (k^4 – 3 – 3k^3) + (-5k^4 + 6k^3 – 8k^5)
  22. (-10k^2 + 7k + 6k^4) + (-14 – 4k^4 – 14k)
  23. (-7n^2 + 8n – 4) – (-11n + 2 – 14n^2)
  24. (14p^4 + 11p^2 – 9p^5) – (-14 + 5p^5 – 11p^2)
  25. (8k + k^2 – 6) – (-10k + 7 – 2k^2)
  26. ​(-9v^2 – 8u) + (-2uv – 2u^2 + v^2) + (-v^2 + 4uv)
  27. ​(4x^2 + 7x^3y^2) – (-6x^2 – 7x^3y^2 – 4x) – (10x + 9x^2)
  28. ​(-5u^3v^4 + 9u) + (-5u^3v^4 – 8u + 8u^2v^2) + (-8u^4v^2 + 8u^3v^4)
  29. ​(-9xy^3 – 9x^4y^3) + (3xy^3 + 7y^4 – 8x^4y^4) + (3x^4y^3 + 2xy^3)
  30. ​(y^3 – 7x^4y^4) + (-10x^4y^3 + 6y^3 + 4x^4y^4) – (x^4y^3 + 6x^4y^4)
Compile Video
MULTIPLYING POLYNOMIALS
  1. 6v(2v + 3)
  2. 7(-5v – 8)
  3. 2x(-2x – 3)
  4. -4(v + 1)
  5. (2n + 2)(6n + 1)
  6. (4n + 1)(2n + 6)
  7. (x – 3)(6x – 2)
  8. (8p – 2)(6p + 2)
  9. (6p + 8)(5p – 8)
  10. (3m – 1)(8m + 7)
  11. (2a – 1)(8a – 5)
  12. (5n + 6)(5n – 5)
  13. (4p – 1)^2
  14. (7x – 6)(5x + 6)
  15. (6n + 3)(6n – 4)
  16. (8n + 1)(6n – 3)
  17. (6k + 5)(5k + 5)
  18. (3x – 4)(4x + 3)
  19. (4a + 2)(6a^2 – a + 2)
  20. (7k – 3)(k^2 – 2k + 7)
  21. (7r^2 – 6r – 6)(2r – 4)
  22. (n^2 + 6n – 4)(2n – 4)
  23. (6n^2 – 6n – 5)(7n^2 + 6n – 5)
  24. (m^2 – 7m – 6)(7m^2 – 3m – 7)
Compile Video
MULTIPLYING SPECIAL CASE POLYNOMIALS
  1. (x + 5)(x – 5)​
  2. (n – 1)(n + 1)
  3. (p – 1)^2
  4. (x – 3)(x + 3)
  5. (x – 4)^2
  6. (n + 3)^2
  7. (x – 5)(x + 5)
  8. (n – 5)^2
  9. (2k^2 + 1)^2
  10. (8a^2 + 4)(8a^2 – 4)
  11. (2 + 5n^2)^2
  12. (3x – 7)(3x + 7)
  13. (3 + 7v^2)(3 – 7v^2)
  14. (7v^2 – 6)(7v^2 + 6)
  15. (2 + v)^2
  16. (6v + 3)(6v – 3)
  17. (8a^2 – 2)(8a^2 + 2)
  18. (4a + 7)^2
  19. (2n – 7)^2
  20. (-m + 5n)(-m – 5n)
  21. (7u + 4v)(7u – 4v)
  22. (-y – 3x)(-y + 3x)
  23. (-9x^2 – 10y)^2
  24. (4u + 9v)^2
  25. (7u + 6v)(7u – 6v)
  26. (-6x – 7y^2)^2
Compile Video
FACTORING TRINOMIALS (EASY)
  1. b^2 + 8b + 7
  2. n^2 – 11n + 10
  3. m^2 + m – 90
  4. n^2 + 4n – 12
  5. n^2-10n + 9
  6. b^2 + 16b + 64
  7. m^2 + 2m – 24
  8. x^2 – 4x + 24
  9. k^2 – 13k + 40
  10. a^2 + 11a + 18
  11. n^2 – n – 56
  12. n^2 – 5n + 6
  13. b^2 – 6n + 8
  14. n^2 + 6n + 8
  15. 2n^2 + 6n – 108
  16. 5n^2 + 10n + 20
  17. 2k^2 + 22k + 60
  18. a^2 – a – 90
  19. p^2 + 11p + 10
  20. 5v^2 – 30x + 40
  21. 2p^2 + 2p – 4
  22. 4v^2 – 4v – 8
  23. x^2 – 15x + 50
  24. v^2 – 7v + 10
  25. p^2 + 3p – 18
  26. 6v^2 + 66v + 60
Compile Video
FACTORING TRINOMIALS (HARD)
  1. 3p^2 – 2p – 5
  2. 2n^2 + 3n – 9 
  3. 3n^2 – 8n + 4
  4. 5n^2 + 19n + 12
  5. 2v^2 + 11v + 5
  6. 2n^2 + 5n + 2
  7. 7a^2 + 53a + 28
  8. 9k^2 + 66k + 21
  9. 15n^2  -27n – 6
  10. 5x^2 – 18x + 9
  11. 4n^2 – 15n – 25
  12. 4x^2 – 35x + 49
  13. 4n^2 – 17n + 4
  14. 6x^2 + 7x – 49
  15. 6x^2 + 37x + 6
  16. -6a^2 – 25a – 25
  17. 6n^2 + 5n – 6
  18. 16b^2 + 60b – 100
Compile Video
FACTORING SPECIAL CASE POLYNOMIALS
  1. 16n^2 – 9 
  2. 4m^2 – 25
  3. 16b^2 – 40b + 25
  4. 4x^2 – 4x + 1
  5. 9x^2 – 1 
  6. n^2 – 25
  7. n^4 – 100 
  8. a^4 – 9
  9. k^4 – 36
  10. n^4 – 49
  11. 98n^2 – 200
  12. 3 + 6b + 3b^2
  13. 400 – 36v^2
  14. 100x^2 + 180x + 81
  15. 10n^2 + 100n + 250
  16. 49n^2 – 56n + 16
  17. 49x^2 – 100
  18. 1 – r^2
  19. 10p^3 – 1960p
  20. 343b^2 – 7b^4
  21. 81v^4 – 900v^2 
  22. 200m^4 + 80m^3 + 8m^2
Compile Video
FACTORING BY GROUPING
  1. 8r^3 − 64r^2 + r − 8
  2. 12p^3 − 21p^2 + 28p − 49
  3. 12x^3 + 2x^2 − 30x − 5
  4. 6v^3 − 16v^2 + 21v − 56
  5. 63n^3 + 54n^2 − 105n − 90
  6. 21k^3 − 84k^2 + 15k − 60
  7. 25v^3 + 5v^2 + 30v + 6
  8. 105n^3 + 175n^2 − 75n − 125
  9. 96n^3 − 84n^2 + 112n − 98
  10. 28v^3 + 16v^2 − 21v − 12
  11. 4v^3 − 12v^2 − 5v + 15
  12. 49x^3 − 35x^2 + 56x − 40
  13. 24p^3 + 15p^2 − 56p − 35
  14. 24r^3 − 64r^2 − 21r + 56
  15. 56xw + 49xk^2 − 24yw − 21yk^2
  16. 42mc + 36md − 7n^2c − 6n^2d
  17. 12x^2u + 3x^2v + 28yu + 7yv
  18. 40ac2^ + 25ak^2 + 32bc^2 + 20bk^2
  19. 12bc − 4bd − 15xc + 5xd
  20. 16mn − 4m^2 + 28n − 7m
  21. 56xy − 35x + 16ry − 10r
  22. 21xy + 15x + 35ry + 25r
  23. 5a^2z − 4a^2c + 15xz − 12xc
  24. 4xy + 6 − x − 24y
  25. 21xy − 12b^2 + 14xb − 18by
  26. 9mz − 4nc + 3mc − 12nz
  27. 28xy + 25 + 35x + 20y
  28. 30uv + 30u + 36u^2 + 25v
Compile Video
DIVIDING POLYNOMIALS
  1. (m^2 – 7m – 11) ÷ ( m – 8)
  2. (n^2 – n – 29) ÷ (n – 6)
  3. (n^2 + 10n + 18) ÷ (n + 5)
  4. (k^2 – 7k + 10) ÷ (k – 1)
  5. (n^2 – 3n – 21) ÷ (n – 7)
  6. (a^2 – 28) ÷ (a – 5)
  7. (r^2 + 14r + 38) ÷ (r + 8)
  8. (x^2 + 5x + 3) ÷ (x + 6)
  9. (2x^2 – 17x – 38) ÷ (2x + 3)
  10. (42x^2 – 33) ÷ (7x + 7)
  11. (x^2 – 74) ÷ (x – 8)
  12. (2p^2 + 7p – 39) ÷ (2p – 7)
  13. (n^3 + 7n^2 + 14n + 3) ÷ (n + 2)
  14. (p^3 – 10p^2 + 20p + 26) ÷ (p – 5)
  15. (v^3 – 2v^2 – 14v – 5) ÷ (v + 3)
  16. (x^3 – 13x^2 + 40x + 18) ÷ (x – 7)
  17. (k^3 – 30k – 18 – 4k^2) ÷ (3 + k)
  18. (-5k^2 + k^3 + 8k + 4) ÷ (-1 + k)
  19. (x^3 + 5x^2 – 32x -7) ÷ (x – 4)
  20. (50k^3 + 10k^2 – 35k – 7) ÷ (5k – 4)
Compile Video
SYSTEMS OF EQUATIONS AND INEQUALITIES – 119 Video Lessons
INEQUALITIES AND THEIR GRAPHS
  1. x ≤ 1
  2. m > -2
  3. x ≤ 4
  4. m > -6
  5. -5 ≥ a
  6. 4 ≥ x
  7. -2 < b
  8. 1 > x
  9. -r ≤ -2
  10. 4 ≤ -n
  11. -n ≤ -5
  12. 1 < -x
  13. n ≥ 3/2
  14. k < 2
  15. p ≥ -1 1/2
  16. n ≥ 1
  17. x ≥ -2
  18. -2 1/2 ≤ n
  19. -1 1/2 > -n
  20. -1 1/2 ≥ v
  21. <—–(-2)
  22. <—–[5]
  23. (-5)—–>
  24. [5]——>
  25. (-2)—–>
  26. [-5]—–>
  27. <—–[1]
  28. [1]—–>
Compile Video
SOLVING ONE-STEP INEQUALITIES BY ADDING/SUBTRACTING
  1. x + 8 ≥ 18
  2. x – 1 > 6
  3. -7 + x ≥ -8
  4. x – 1 ≤ 3
  5. n – 2 ≤4
  6. v – 1 < 3
  7. -18 + n < -7
  8. r + 13 < 9
  9. n – 4 ≥ 13
  10. p + 8 > -4
  11. 17 + k ≤ 10
  12. -2 + x ≤ -16
  13. -28 < v – 16
  14. n – 2 > -20
  15. x – 7 < -20
  16. x + 13 ≥ 5
  17. x – 10 > -1
  18. x – 12 < -11
  19. r – 2 > 11
  20. 9 + n > -4
  21. 20 ≥ p + 16
  22. 11 ≥ 8 + n
  23.  6 > -11 + a
  24. p – 6 ≥ -3
  25. n – 83 > -166
  26. -3 ≥ x + 16
Compile Video
SOLVING ONE-STEP INEQUALITIES BY MULTIPLYING/DIVIDING
  1. -4m ≥ -4
  2. n/5 ≤ 2
  3. -4r > 16
  4. n/2 < 0
  5. x/5 ≤ -3/5
  6. x/2 ≥ 3
  7. 14v ≤ 14
  8. b/6 > 14
  9. a/6 < -13
  10. n/3 ≥ -6 
  11. -10x < -80
  12. k/13 ≤ 6
  13. 4x ≥ -20
  14. 60 < -10a
  15. 8 > 8n
  16. 0 ≥ -2p
  17. 24 ≥ -4n
  18. 4x ≤ 40
  19. -10 < r/8
  20. m/3 ≤ 5
  21. -2 ≥ n/3
  22. 7/3 ≤ p/3
  23. b/2 < 7
  24. -12 < 3x
  25. 42 > x/16
  26. v/29 ≥ -35
Compile Video
SOLVING TWO-STEP INEQUALITIES
  1. n/3+ 2 > 0
  2. p/9 – 1 ≤ -2
  3. x/1 + 5 > 5
  4. (1 + m)/9 ≥ 1
  5. -2r – 2 ≤ 4
  6. 8x + 2 ≤ 138
  7. 3 + b/9 < 4
  8. 9 + n/2 > 16
  9. -7v + 5 ≥ -79
  10. (n + 3)/2 > -2
  11. 4 > (a + 1)/2
  12. -2 + x/2 > 6
  13. 60 > 5 – 5n
  14. (x + 1)/2 ≥ -4
  15. 6 ≤ 5+ p/20
  16. -18 + k/3 ≤ -26
Compile Video
SOLVING MULTI-STEP INEQUALITIES
  1. -11 ≥ 6 – 2n – 5
  2. 0 > -5x – 6x
  3. x + 1 + 4 ≤ 9
  4. -9 > -5n – 4n
  5. 5k – 2k > -9
  6. -2 ≥ 4p +6 + 4
  7. 30 – 6a < -3(5 + 7a)
  8. 33 + 4x ≤ -(x + 7)
  9. 2(6 + 4n) ≥ 12 – 8n
  10. -5(2b + 7) + b < -b – 11
  11. -33 – n ≤ -3(2n + 1)
  12. -3(-7p – 6) – 7 < p – 29
  13. -x + 23 < 2 – 2(x – 8)
  14. 32 – 5n ≥ 7 – 5(n – 5)
  15. 12(10b – 9) > 12(9 + 8b)
  16. -2(k – 12) – 5(k + 2) < -9k + 4k
  17. 8(1 + 8x) + 8(x – 11) < -10x + 2x
  18. -2(9r + 3) – 7r ≥ -10r – (12r + 9) 
Compile Video
QUADRATIC FUNCTIONS – 127 Video Lessons
COMPLETING THE SQUARE
  1. x^2 – 38x + c
  2. x^2 – 32x + c
  3. x^2 – (5/3)x + c
  4. m^2 + 24m + c
  5. p^2 – 14p + c
  6. n^2 – (2/5)n + c
  7. a^2 + (22/13)a + c
  8. x^2 + 7x + c
  9. z^2 – 17z + c
  10. x^2 – 42x + c
  11. x^2 – 34x + c
  12. y^2 – (5/14)y + c
  13. a^2 – (11/12)a + c
  14. a^2 – 5a + c
  15. a^2 – (5/19)a + c
  16. y^2 + (2/5)y + c
  17. p^2 – 11p + c
  18. x^2 – 6x + c
  19. x^2 + 19x + c
  20. n^2 +10n + c
  21. y^2 +17y + c
  22. n^2 + 34n + c
  23. x^2 + 8x + c
  24. y^2 – 24y + c
  25. x^2 + (9/13)x + c
  26. a^2 – 12a + c
  27. n^2 +28n + c
  28. p^2 – 10p + c
  29. x^2 – 40x + c
  30. x^2 -28x + c
Compile Video
SOLVING QUADRATIC EQUATIONS WITH SQUARE ROOTS
  1. k^2 = 76
  2. k^2 = 16
  3. x^2 = 21
  4. a^2 = 4
  5. x^2 + 8 = 28
  6. 2n^2 = -144
  7. -6m^2 = -414
  8. 7x^2 = -21
  9. m^2 + 7 = 88
  10. -5x^2 = -500
  11. -7n^2 = -448
  12. -2k^2 = -162
  13. x^2 – 5 = 73
  14. 16n^2 = 49
  15. n^2 – 5 = -4
  16. n^2 + 8 = 80
  17. 7v^2 + 1 = 29
  18. 10n^2 + 2 = 292
  19. 2m^2 + 10 = 210
  20. 9n^2 + 10 = 91
  21. 5n^2 – 7 = 488
  22. 8n^2 – 6 = 306
  23. 10n^2 – 10 = 470
  24. 8n^2 – 4 = 532
  25. 4r^2 + 1 = 325
  26. 8b^2 – 7 = 193
  27. 2k^2 – 2 = 144
  28. 3 – 4x^2 = -85
Compile Video
SOLVING QUADRATIC EQUATIONS BY FACTORING
  1. (k + 1)(k – 5) = 0
  2. (a + 1)(a + 2) = 0
  3. (4k + 5)(k + 1) = 0
  4. (2m + 3)(4m + 3)= 0
  5. x^2 – 11x + 19 = -5
  6. n^2 + 7n + 15 = 5
  7. n^2 – 10n + 22 = -2
  8. n^2 + 3n – 12 = 6
  9. 6n^2 – 18n – 18 = 6
  10. 7r^2 – 14r = -7
  11. n^2 + 8n = -15
  12. 5r^2 – 44r + 120 = -30 + 11r
  13. -4k^2 – 8k – 3 = -3 – 5k^2
  14. b^2 + 5b – 35 = 3b
  15. 3r^2 – 16r – 7 = 5
  16. 6b^2 – 13b + 3 = -3
  17. 7k^2 – 6k + 3 = 3
  18. 35k^2 – 22k + 7 = 4
  19. 7x^2 + 2x = 0
  20. 10b^2 = 27b – 18
  21. 8x^2 + 21 = -59x
  22. 15a^2 – 3a = 3 – 7a
Compile Video
USING THE QUADRATIC FORMULA
  1. m^2 – 5m – 14 = 0
  2. b^2 – 4b + 4 = 0
  3. 2m^2 + 2m – 12 = 0
  4. 2x^2 – 3x – 5 = 0
  5. x^2 + 4x + 3 = 0
  6. 2x^2 + 3x – 20 = 0
  7. 4b^2 + 8b + 7 = 4
  8. 2m^2 – 7m – 13 = -10
  9. 2x^2 – 3x – 15 = 5
  10. x^2 + 2x – 1 = 2
  11. 2k^2 + 9k = -7
  12. 5r^2 = 80
  13. 2x^2 – 36 = x
  14. 5x^2 + 9x = -4
  15. k^2 – 31 – 2k = -6 – 3k^2 – 2k
  16. 9n^2 = 4 + 7n
  17. 8n^2 + 4n – 16 = -n^2
  18. 8n^2 + 7n – 15 = -7
Compile Video
SOLVING EQUATIONS BY COMPLETING THE SQUARE
  1. a^2 + 2a – 3 = 0
  2. a^2 – 2a – 8 = 0
  3. p^2 + 16p – 22 = 0
  4. k^2 + 8k + 12 = 0
  5. r^2 + 2r – 33 = 0
  6. a^2 – 2a – 48 = 0
  7. m^2 – 12m + 26 = 0
  8. x^2 + 12x + 20 = 0
  9. k^2 – 8k – 48 = 0
  10. p^2 + 2p – 63 = 0
  11. m^2 + 2m – 48 = 0
  12. p^2 – 8p + 21 = 6
  13. m^2 + 10m + 14 = -7
  14. v^2 – 2v = 3
  15. 5v^2 – 21 = 10v
  16. 4v^2 + 16v = 65
  17. 7b^2 – 14b – 56 = 0
  18. 2n^2 + 12n + 10 = 0
  19. n^2 + 13n + 22 = 7
  20. 5n^2 + 19n – 68 = -2
  21. r^2 – 9r – 38 = -9
  22. 3x^2 + 20x + 36 = 4
  23. x^2 + 7x – 45 = 7
  24. n^2 + 19n + 66 = 6
Compile Video
RADICAL EXPRESSIONS – 89 Video Lessons
SIMPLIFYING RADICAL EXPRESSIONS
  1. √(125n)
  2. √(216v)
  3. √(512k^2)
  4. √(512m^3)
  5. √(216k^4)
  6. √(100v^3)
  7. √(80p^3)
  8. √(45p^2)
  9. √(147m^3n^3)
  10. √(200m^4n)
  11. √(75x^2y)
  12. √(64m^3n^3)
  13. √(16u^4v^3)
  14. √(28x^3y^3)
  15. √(36x^2y^3)
  16. √(384x^4y^3)
  17. 7√(96m^3)
  18. 6√(72x^2)
  19. -6√(150r)
  20. 5√(80a^2)
  21. 2√(125v)
  22. -8√(24k^3)
  23. -4√(192x)
  24. 2√(8p^2q^3r)
  25. -4√(216x^2y^2z)
  26. -3√(24a^4b^2c^3)
  27. 3√(16x^4y^4z)
  28. -2√(48a^3b^4c^2)
  29. 6√(75mp^2q^3)
  30. 4√(36x^2y^3z^4)
Compile Video
ADDING AND SUBTRACTING RADICAL EXPRESSIONS
  1. 3√6 – 4√6
  2. -3√7 + 4√7
  3. -11√21 – 11√21
  4. -9√15 + 10√15
  5. -10√7 + 12 √7
  6. -3√17 – 4√17
  7. -10√11 – 11√11
  8. -2√3 + 3√27
  9. 2√6 – 2√24
  10. 2√6 + 3√54
  11. -√12 + 3√3
  12. 3√3 – √27
  13. 3√8 + 3√2
  14. -3√6 + 3√6
  15. -3√20 – √5
  16. 2√45 – 2√5
  17. 3√18 – 2√2
  18. -3√18 + 3√8 – √24
  19. 3√18 + 3√12 + 2√27
  20. -3√5 – √6 – √5
  21. -3√2 + 3√20 – 3√8
  22. -3√3 – √8 – 3√3
  23. -2√20 + 2√18 – 2√5
  24. 2√18 – 2√12 + 2√18
  25. -√45 + 2√5 – √20 – 2√6
  26. 2√20 – √20 + 3√20 – 2√45
  27. -3√45 + 2√12 + 3√6 – 3√20
  28. -√27 – 3√45 – √20 + 2√45
Compile Video
MULTIPLYING RADICAL EXPRESSIONS
  1. 3√12 • √6
  2. √5 • √10
  3. √6 • √6
  4. √5 • -4√20
  5. -4√15 • -√3
  6. √20x^2 • √20x
  7. √15n^2 • √10n^3
  8. √18a^2 • 4√3a^2
  9. 3√7r^3 • 6√7r^2
  10. -4√28x • √7x^3
  11. √3(5 + √3)
  12. 2√5(√6 + 2)
  13. -3√3(2 + √6)
  14. √3(-5√10 + √6)
  15. -2√15(-3√3 + 3√5)
  16. 5√42x(4 + 4√7)
  17. √14x(3 – √2x)
  18. √6n(7n^3 + √12)
  19. √3v(√6 + √10)
  20. √21r(5 + √7)
  21. (-2√3 + 2)(√3 – 5)
  22. (5 – 4√5)(-2 + √5)
  23. (-2 – 3√5)(5 – √5)
  24. (√5 – √3)(√5 + √3)
  25. (5√2x + √5)(-4√2x + √5x)
  26. (-3√3k + 4)(√3k – 5)
  27. (5 + 4√3)(3 + √3)
  28. (3√2 + √5)(√2 – 3√5r)
Compile Video
RATIONAL EXPRESSIONS – 188 Video Lessons
SIMPLIFYING RATIONAL EXPRESSIONS
  1. -36x^3 / 42x^2
  2. 16r^2 / 16r^3
  3. 16p^2 / 28p
  4. 32n^2 / 24n
  5. -70n^2 / 28n
  6. 15n / 30n^3
  7. (2r – 4) / (r – 2)
  8. 45 / (10a – 10)
  9. (x – 4) / (3x^2 – 12x)
  10. (15a – 3) / 24
  11. (v – 5) / (v^2 – 10v + 25)
  12. (x + 6) / (x^2 + 5x – 6)
  13. 27 / (27x + 18)
  14. (v^2 – 7v – 30) / (v^2 – 5v – 24)
  15. (x^2 +8x + 12) / (x^2 + 3x – 18)
  16. (x^2 – 11x + 18) / (x^2 + 2x – 8)
  17. (b^2 + 3b – 28) / (b^2 – 49)
  18. (v^2 – 3v – 40) / (v^2 – 11v + 24)
  19. (4n – 4) / (6n – 20)
  20. (v^2 – 5v – 14) / (v^2 + 4v + 4)
  21. (6v^3 + 42v^2) / (2v^2 + 26v + 84)
  22. (x^3 – x^2 – 42x) / (2x^2 – 20x + 42)
  23. (2v^2 + 10v – 48) / (8v + 64)
  24. (9x^2 + 81x) / (x^3 + 8x^2 – 9x)
  25. (x^2 + 2x – 80) / (2x^3 – 24x^2 + 64x)
  26. (3r^2 – 39r + 90) / (r^2 – 3r – 70)
Compile Video
FINDING EXCLUDED VALUES / RESTRICTED VALUES
  1. (30k – 30) / 90k
  2. 16 / (6n – 2)
  3. 18 / (27x + 27)
  4. (35v – 63) / 63
  5. (p^2 – 18p +81) / (p – 9)
  6. 4x^2 / (14x^2 – 16x)
  7. (a^2 – 10a + 25) / (5 – a)
  8. (45r – 72) / 27r
  9. 81 / (27n – 54)
  10. (x^2 + 3x – 70) / (x + 10)
  11. (x^2 – 5x + 6) / (x – 2)
  12. (10n – 20) / 20n
  13. (x^2 – 11x + 30) / (6 – x)
  14. (40k + 24) / (20k + 48)
  15. (x^2 + x – 72) / (10x + 90)
  16. (x^2 – 2x – 63) / (x^2 + 5x – 14)
  17. (n^2 + 11n + 18) / (n^2 + 8n – 9)
  18. (15n + 5) / (10n + 10)
  19. (15x^2 + 50x) / (15x^2 + 30x)
  20. (25p^2 – 5p) / (15p^2 + 45p)
  21. (2r^3 – 10r^2 – 12r) / (r^2 – 8r + 12)
  22. (2x^2 – 24x + 70) / (2x^3 – 20x^2 + 50x)
  23. (15p^2 – 24p) / (21p^3 + 33p^2 + 12p)
  24. (7x^2 + 28x) / (2x^2 + 6x – 8)
  25. (2r^2 + 4r – 70) / (r^3 – r^2 – 49r + 49)
  26. (2a + 4) / (3a^3 – 3a^2 – 18a)
Compile Video
MULTIPLYING RATIONAL EXPRESSIONS
  1. (59n/99)•(80/33n)
  2. (53/43)•(46n^2/31)
  3. (93/21n)•(34n/51n)
  4. (79n/25)•(85/27n^2)
  5. (96/38n)•(25/45)
  6. (84/3)•(48x/95)
  7. (6(r+2)/20)•(4r/6(r+2))
  8. (7n^2(n+4)/(n-3)(n+4))•((n-3)/(n+8)(n+6))
  9. 2(p+6)/4•((p-3)/2(p-3))
  10. (9(r+4)/(r+4))•(9r/9(r-5))
  11. (8(m+1)/7m)•(9/8(m+1))
  12. ((p+6)(p-4)/(p-4))•(1/(p-4)(p-2))
  13. (1/(v+10))•((10v+30)/(v+3))
  14. (7n/(24n^3-64n^2))•((9n-24)/7n)
  15. ((x+7)/(7x+35))•((x^2-3x-40)/(x-8))
  16. ((20a^2-100a)/(a-1))•(1/(16a^3-80a^2))
  17. ((3b^2+18b)/(b+6))•(1/(b+8))
  18. ((p+7)/(p-10))•((p+2)/(7p+14))
  19. ((21x^2-21x)/(18x^2-18x))•(6x/6x^2)
  20. (1/(p-9))•((p^2+6p-27)/(p+9))
  21. ((v-7)/(v+6))•((10v+60)/(v-7))
  22. ((5r+50)/(r+10))•((r-2)/5)
  23. ((x^2-10x+25)/(10x-100))•((x-10)/(45-9x))
  24. (45x^2/(x-9))•((x^2-5x-36)/(3x^3+12x^2))
  25. ((8v-56)/(8v+48))•((v^2+9v+18)/(8v^2+24v))
  26. ((9r^3-54r^2)/(9r^2+45r))•((9r^2+9r)/(9r^3-54r^2))
  27. ((m+1)/(3m-15))•((8m-80)/(m^2-9m-10))
  28. ((6n+6)/(n+9))•((n^2+6n-27)/(6n+6))
Compile Video
DIVIDING RATIONAL EXPRESSIONS
  1. (10n/9)/(13n^2/16)
  2. (16n/17)/(8n/6)
  3. (2/7)/(18/8x^2)
  4. (12/7)/(4/11r)
  5. (7/18)/(6/9a)
  6. (5/20)/(5x/3)
  7. (4n/(n-6))/(4n/(8n-48))
  8. (3/28b)/(3/(b+1))
  9. (7a^2/(7a^3+56a^2))/(2/(a^2+7a-8))
  10. (6/(28x+4))/(6/(35x+5))
  11. ((x^2+10x+16)/(x^2+6x+8))/(1/(x+4))
  12. ((49x+21)/6x)/((42x+18)/6)
  13. (7/(8r-40))/(1/(8r-40))
  14. (1/2a)/(8a/(2a^2+16a))
  15. (8/(4n^2-16n))/(1/(n-4))
  16. ((a-4)/(a^2-2a-8))/(1/(a-5))
  17. ((b^2-2b-15)/(8b+20))/(2/(4b+10))
  18. ((10b^2+42b+36)/(6b^2-2b-60))/((40b+48)/(3b^2-13b+10))
  19. (16x-56)/8)/((8x-28)/4)
  20. ((10x^2-28x+16)/(2x-4))/((25x^2-25x+4)/(5x^2-41x+8))
  21. ((6p+27)/(18p^2+36p))/((16p+72)/(2p+4))
  22. ((3x^2-25x-18)/(27x+18))/((5x-3)/(5x^2-33x+18))
Compile Video
DIVIDING POLYNOMIALS
  1. (m^2 – 7m – 11) ÷ (m – 8)
  2. (n^2 – n – 29) ÷ (n – 6)
  3. (n^2 + 10n + 18) ÷ (n + 5)
  4. (k^2 – 7k + 10) ÷ (k – 1)
  5. (n^2 – 3n – 21) ÷ (n – 7)
  6. (a^2 – 28) ÷ (a – 5)
  7. (r^2 + 14r + 38) ÷ (r + 8)
  8. (x^2 + 5x + 3) ÷ (x + 6)
  9. (2x^2 – 17x – 38) ÷ (2x + 3)
  10. (42x^2 – 33) ÷ (7x + 7)
  11. (x^2 – 74) ÷ (x – 8)
  12. (2p^2 + 7p – 39) ÷ (2p – 7)
  13. (n^3 + 7n^2 + 14n + 3) ÷ (n + 2)
  14. (p^3 – 10p^2 + 20p + 26) ÷ (p – 5)
  15. (v ^3 – 2v^2 – 14v – 5) ÷ (v + 3)
  16. (x^3 – 13x^2 + 40x + 18) ÷ (x -7)
  17. (k^3 – 30k – 18 – 4k^2) ÷ (3 + k)
  18. (−5k^2 + k^3 + 8k + 4) ÷ (−1 + k)
  19. (x^3 + 5x^2 – 32x – 7) ÷ (x – 4)
  20. (50k^3 + 10k^2 – 35k – 7) ÷ (5k – 4)
Compile Video
ADDING AND SUBTRACTING RATIONAL EXPRESSIONS
  1. (u+5v)/(8v^2u^2) – (u-6v)/(8v^2u^2)
  2. 5n/30m + (2m+4n)/30m
  3. (a+2b)/6a^3 – (5a+4b)/6a^3
  4. (x+y)/18xy – (6x+y)/18xy
  5. (4a-5)/(6a^2+30a) + (a-1)/(6a^2+30a)
  6. (5x-4)/(9x^3+27x^2) – (x+6)/(9x^3+27x^2)
  7. (b-3)/(12b+18) + 4b/(12b+18)
  8. (n-4)/(n^2-n-20) + (n+1)/(n^2-n-20)
  9. 7x/2x – (x-2)/(20x+16)
  10. 8/(7v-6) + 4/3v^2
  11. 7v/8 – (8v-4)/(5v-2)
  12. 4/(n+7) – 7/(n-2)
  13. 7/(3n^2+24n) – 7/2
  14. 6/(v-2) – 7/(2v+7)
  15. 6x/3 + 7/(15x+3)
  16. 5v/(v-3) + 5/(v+6)
  17. 4x/(x^2+4x-5) – 5/4
  18. 2/(x+3) – 6x/(2x+1)
  19. 4x/(x+3) – 4x/(x+6)
  20. 2x/(3x+3) – 2/(x+5)
  21. 6/(x-2) + 6/(x+1)
  22. (v-2)/(3v^4-15v^3-18v^2) + 3v
Compile Video
SOLVING RATIONAL EQUATIONS (EASY)
Compile Video

SOLVING RATIONAL EQUATIONS (HARD)
Compile Video
WORD PROBLEMS – 47 Video Lessons
DISTANCE – RATE – TIME WORD PROBLEMS
  1. An aircraft carrier made a trip to Guam and back. The trip there took three hours, and the trip back took four hours. It averaged 6 km/h on the return trip. Find the average speed of the trip there.
  2. A passenger plane made a trip to Las Vegas and back. On the trip there it flew 432 mph, and on the return trip it went 480 mph. How long did the trip there take if the return trip took nine hours?
  3. A cattle train left Miami and traveled toward New York. 14 hours later a diesel train left traveling at 45 km/h in an effort to catch up to the cattle train. After traveling for four hours the diesel train finally caught up. What was the cattle train’s average speed?
  4. Jose left the White House and drove toward the recycling plant at an average speed of 40 km/h. Rob left some time later driving in the same direction at an average speed of 48 km/h. After driving for five hours Rob caught up with Jose. How long did Jose drive before Rob caught up?
  5. A cargo plane flew to the maintenance facility and back. It took one hour less time to get there than it did to get back. The average speed on the trip there was 220 mph. The average speed on the way back was 200 mph. How many hours did the trip there take?
  6. Kali left school and traveled toward her friend’s house at an average speed of 40 km/h. Matt left one hour later and traveled in the opposite direction with an average speed of 50 km/h. Find the number of hours Matt needs to travel before they are 400 km apart.
  7. Ryan left the science museum and drove south. Gabriella left three hours later driving 42 km/h faster in an effort to catch up to him. After two hours Gabriella finally caught up. Find Ryan’s average speed.
  8. A submarine left Hawaii two hours before an aircraft carrier. The vessels traveled in opposite directions. The aircraft carrier traveled at 25 mph for nine hours. After this time the vessels were 280 mi. apart. Find the submarine’s speed.
  9. Chelsea left the White House and traveled toward the capital at an average speed of 34 km/h. Jasmine left at the same time and traveled in the opposite direction with an average speed of 65 km/h. Find the number of hours Jasmine needs to travel before they are 59.4 km apart.
  10. Jose left the airport and traveled toward the mountains. Kayla left 2.1 hours later traveling 35 mph faster in an effort to catch up to him. After 1.2 hours Kayla finally caught up. Find Jose’s average speed.
Compile Video
MIXTURE WORD PROBLEMS
  1. 2m^3 of soil containing 35% sand was mixed into 6m^3 of soil containing 15% sand. What is the sand content of the mixture?
  2. 9 lbs. of mixed nuts containing 55% peanuts were mixed with 6 lbs. of another kind of mixed nuts that contain 40% peanuts. What percent of the new mixture is peanuts?
  3. 5 fl. oz. of a 2% alcohol solution was mixed with 11 fl. oz. of a 66% alcohol solution. Find the concentration of the new mixture.
  4. 16 lb of Brand M Cinnamon was made by combining 12 lb of Indonesian cinnamon which costs $19/lb with 4 lb of Thai cinnamon which costs $11/lb. Find the cost per lb of the mixture.
  5. Emily mixed together 9 gal. of Brand A fruit drink and 8 gal. of Brand B fruit drink which contains 48% fruit juice. Find the percent of fruit juice in Brand A if the mixture contained 30% fruit juice.
  6. How many mg of a metal containing 45% nickel must be combined with 6 mg of pure nickel to form an alloy containing 78% nickel?
  7. 7 L of an acid solution was mixed with 3 L of a 15% acid solution to make a 29% acid solution. Find the percent concentration of the first solution.
  8. 9 gal. of a sugar solution was mixed with 6 gal. of a 90% sugar solution to make a 84% sugar solution. Find the percent concentration of the first solution.
  9. A metallurgist needs to make 12.4 lb. of an alloy containing 50% gold. He is going to melt and combine one metal that is 60%
    gold with another metal that is 40% gold. How much of each should he use?
  10. Brand X sells 21 oz. bags of mixed nuts that contain 29% peanuts. To make their product they combine Brand A mixed nuts which contain 35% peanuts and Brand B mixed nuts which contain 25% peanuts. How much of each do they need to use?
Compile Video
WORK WORD PROBLEMS
  1. Working alone, Ryan can dig a 10 ft by 10 ft hole in five hours. Castel can dig the same hole in six hours. How long would it take them if they worked together?
  2. Shawna can pour a large concrete driveway in six hours. Dan can pour the same driveway in seven hours. Find how long it would take them if they worked together.
  3. It takes Trevon ten hours to clean an attic. Cody can clean the same attic in seven hours. Find how long it would take them if they worked together.
  4. Working alone, Carlos can oil the lanes in a bowling alley in five hours. Jenny can oil the same lanes in nine hours. If they worked together how long would it take them?
  5. Working together, Paul and Daniel can pick forty bushels of apples in 4.95 hours. Had he done it alone it would have taken Daniel 9 hours. Find how long it would take Paul to do it alone.
  6. Working together, Jenny and Natalie can mop a warehouse in 5.14 hours. Had she done it alone it would have taken Natalie 12 hours. How long would it take Jenny to do it alone?
  7. Rob can tar a roof in nine hours. One day his friend Kayla helped him and it only took 4.74 hours. How long would it take Kayla to do it alone?
  8. Working alone, it takes Kristin 11 hours to harvest a field. Kayla can harvest the same field in 16 hours. Find how long it would take them if they worked together.
  9. Krystal can wax a floor in 16 minutes. One day her friend Perry helped her and it only took 5.76 minutes. How long would it take Perry to do it alone?
  10. Working alone, Dan can sweep a porch in 15 minutes. Alberto can sweep the same porch in 11 minutes. If they worked together how long would it take them?
  11. Ryan can paint a fence in ten hours. Asanji can paint the same fence in eight hours. If they worked together how long would it take them?
  12. Working alone, it takes Asanji eight hours to dig a 10 ft by 10 ft hole. Brenda can dig the same hole in nine hours. How long would it take them if they worked together?
Compile Video
SYSTEMS OF EQUATIONS WORD PROBLEMS
  1. Find the value of two numbers if their sum is 12 and their difference is 4.
  2. The difference of two numbers is 3. Their sum is 13. Find the numbers.
  3. Flying to Kampala with a tailwind a plane averaged 158 km/h. On the return trip the plane only averaged 112 km/h while flying back into the same wind. Find the speed of the wind and the speed of the plane in still air.
  4. The school that Stefan goes to is selling tickets to a choral performance. On the first day of ticket sales the school sold 3 senior citizen tickets and 1 child ticket for a total of $38. The school took in $52 on the second day by selling 3 senior citizen tickets and 2 child tickets. Find the price of a senior citizen ticket and the price of a child ticket.
  5. The sum of the digits of a certain two-digit number is 7. Reversing its digits increases the number by 9. What is the number?
  6. A boat traveled 210 miles downstream and back. The trip downstream took 10 hours. The trip back took 70 hours. What is the speed of the boat in still water? What is the speed of the current?
  7. The state fair is a popular field trip destination. This year the senior class at High School A and the senior class at High School B both planned trips there. The senior class at High School A rented and filled 8 vans and 8 buses with 240 students. High School B rented and filled 4 vans and 1 bus with 54 students. Every van had the same number of students in it as did the buses. Find the number of students in each van and in each bus.
  8. The senior classes at High School A and High School B planned separate trips to New York City. The senior class at High School A rented and filled 1 van and 6 buses with 372 students. High School B rented and filled 4 vans and 12 buses with 780 students. Each van and each bus carried the same number of students. How many students can a van carry? How many students can a bus carry?
  9. Brenda’s school is selling tickets to a spring musical. On the first day of ticket sales the school sold 3 senior citizen tickets and 9 child tickets for a total of $75. The school took in $67 on the second day by selling 8 senior citizen tickets and 5 child tickets. What is the price each of one senior citizen ticket and one child ticket?
  10. Matt and Ming are selling fruit for a school fundraiser. Customers can buy small boxes of oranges and large boxes of oranges. Matt sold 3 small boxes of oranges and 14 large boxes of oranges for a total of $203. Ming sold 11 small boxes of oranges and 11 large boxes of oranges for a total of $220. Find the cost each of one small box of oranges and one large box of oranges.
  11. A boat traveled 336 miles downstream and back. The trip downstream took 12 hours. The trip back took 14 hours. What is the speed of the boat in still water? What is the speed of the current?
Compile Video
MISCELLANEOUS – 8 Video Lessons
  1. Finding Slope – Algebra 1
  2. Basic Properties of Equality
  3. Field Properties of Real Numbers – Closure Properties
  4. Field Properties of Real Numbers – Commutative Properties
  5. Field Properties of Real Numbers – Associative Properties
  6. Field Properties of Real Numbers – Identity Properties
  7. Field Properties of Real Numbers – Inverse Properties – Opposites and Reciprocals
  8. Field Properties of Real Numbers – Distributive Property

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