Which point is an x-intercept of the quadratic function
f(x) = (x – 8)(x + 9)?
1 answer:
x-intercept means f(x) = 0
(x-8)(x+9) = 0 ⇒ x = 8 or x = - 9
There are two points which are x-intercepts. They are (8,0) and (-9,0).
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