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5 August, 16:28

What are the zeros of the polynomial equation? f (x) = x^2-9x-70 A. - 10, 3 B. - 14, 5 C. - 3, 10 D. - 5, 14

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  1. 5 August, 18:11
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    To find the zeros you can factor the problem, graph the function, or plug in an answer and see if the result is 0. If given answers I usually plug and chug.

    The answer is D

    (-5) ^2 - 9 (-5) - 70

    25 + 45 - 70 = 0 this is a root. or a zero of the function
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