Question

Given p(x) = 2x3 − 8x2 + 13x − 21, ___ is a factor because ___.

Choose two answers, one for each blank, from those provided below.

p(3) = 0
p(3) ≠ 0
x − 3
p(-3) = 0
p(-3) ≠ 0
x + 3

Answer 1

Given p(x) = 2x3 − 8x2 + 13x − 21, x - 3 is a factor because p(3) = 0.