3 years ago

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

1 answer:

max2010maxim [7]3 years ago

4 0

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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