Assume the polynomial below has x-intercepts, (-3,0), (-1,0), (2,0), and (5,0).

Question

Write an equation in factored form for the polyomial.

Answer 1

If a number "a" is a s zero of a function, then (x - a) is a factor. Memorize!

f(x) = (x + 3)(x + 1)(x - 2)(x - 5)