Question

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

Answer 1

(0, 8)

Explanation:

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Answer 2

(-9,0)

Explanation:

To find the x intercept, set y=0 and solve for x

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

0 = (x-8) (x+9)

Using the zero product property

x-8 =0 x+9=0

x=8 x=-9

(8,0) (-9,0) are the x intercepts