Question

Write an equation for a function whose graph has exactly two x-intercepts, one at x=-6 and the other at x=3.

Answer 1

y = x^2 + 3x - 18

Explanation:

A parabola with zeroes at x = - 6 and 3 would look like this:

(x+6)(x-3) = x^2 + 3x -18