A. 8x
B. 27x2
13. Which of the following is the complete factored form of the cubic polynomial x3
C. (x - 2)(x2 + 2x - 4)
D. (x - 2)(x2 - 2x + 4)
A. (x - 2)(x2 + 2x + 4)
B. (x + 2)(x2 - 2x + 4)
14. Factor completely: 27x3 + 64y3
A. (3x)3 + (4y) 3
B. (3x + 4y) (9x2 – 12xy + 16y2)
C. (3x + 4y)(3x2 – 3xy + 16y2)
D. (3x + 4y)(3x2 - 12xy + 4y2)
15. Your classmate was asked to square (2x - 3), he answered 4342 - 9. Is his
correct?
A. Yes, because product rule is correctly applied.
B. Yes, because squaring a binomial always produces a binomial product.
C. No, because the answer must be 4x2 +9.
D. No, because squaring a binomial always produces a trinomial product.​