Question

What are the factors of the function graphed below?

Answer 1

Start by finding the roots (which is everywhere y = 0.

Roots are at:
-2, 0, 1, 2

a factor is in the form (x + a) where a = the negative of a root

So the factors are:
(x+2)
(x + 0) = x
(x -1)
and
(x-2)