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Worksheet

Sum and Difference of Cubes

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Show your work for each problem.

  1. 1.
    Which of the following is a perfect cube?
    1. a)
    2. b)
    3. c)
    4. d)
  2. 2.
    What is ?
  3. 3.
    In the sum of cubes formula , what sign is the middle term of the trinomial?
    1. a)Positive (+)
    2. b)Zero
    3. c)It depends on a and b
    4. d)Negative (-)
  4. 4.
    Factor
  5. 5.
    Factor . What is the binomial factor?
  6. 6.
    Factor
  7. 7.
    What is factored?
    1. a)
    2. b)
    3. c)
    4. d)
  8. 8.
    Factor . Write the binomial factor.
  9. 9.
    Factor
  10. 10.
    Can the trinomial be factored further over the real numbers?
    1. a)Yes, as
    2. b)Yes, as
    3. c)No, it is prime
    4. d)Yes, as
  11. 11.
    Factor
  12. 12.
    Factor . Write the trinomial factor.
  13. 13.
    Factor completely.
    1. a)
    2. b)
    3. c)
    4. d)
  14. 14.
    Factor completely.
  15. 15.
    What is ?
  16. 16.
    Factor
  17. 17.
    Factor . Write the binomial factor.
  18. 18.
    Which expression is equivalent to ?
    1. a)
    2. b)
    3. c)
    4. d)
Interactive lesson with step-by-step solutions and more practice (free): mathorio.com/en/learn/algebra/factoring/sum-difference-cubes