Question

What is a quadratic function that has zeros of x=-1 and x=-2?
Write in factored form.

Answer 1

f(x) = (x + 1)(x + 2)

Explanation:

Zero x = -1 corresponds to factor x + 1, and zero x = -2 to x + 2. Thus, the quadratic in question is

f(x) = (x + 1)(x + 2)