Question

What point is an x-intercept of the quadratic function f(x) = (x - 8)(x + 9)

Answer 1

Hi,

Work:

Equation;

$f(x) = (x - 8)(x + 9)$

Roots: (-9, 0), (8, 0)

Domain: x = R

Minimum: (-1/2, -289/4)

Vertical intercept: (0, -72)



Hope this helps.
r3t40