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3 June, 02:48

Which of the following is an x-intercept of the function, f (x) = x^2 - 64?

ОА. - 64

Ов. - 16

Ос. - 32

OD. - 8

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  1. 3 June, 03:53
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    D. - 8

    Step-by-step explanation:

    An x intercept is where the y value is zero.

    We set the expression equal to zero and solve for x.

    x^2 - 64 = 0

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

    x + 8 = 0 or x - 8 = 0

    x = 8 or x = 8

    Answer: D. - 8
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