A cubic function generally has the form f (x) = ax3 + bx2 + cx +

d. if we know that for some x-value x = p we have f (p) = 0, then it must be true that x - p is a factor of f (x). since we are told that f (5) = 0, we know that is a factor.

Question

Yusuf Mercado

11 October, 14:18

+2

Answers (1)

Know the Answer?

Johnny Wilkerson · Answer 1

If f (5) = 0 we know that (x - 5) is a factor.

A cubic function generally has the form f (x) = ax3 + bx2 + cx +d. if we know that for some x-value x = p we have f (p) = 0, then it must be true that x - p is a factor of f (x). since we are told that f (5) = 0, we know that is a factor.