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20 July, 08:42

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Suppose the roots of a polynomial are 4, - 7, 8, and 9. Which choice is a factor of the polynomial?

A) (x + 4)

B) (x + 8)

C) (x - 7)

D) (x - 9)

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  1. 20 July, 08:48
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    D) (x - 9)

    Step-by-step explanation:

    x - 9 = 0

    therefore x = 9

    Polynomials A) (x + 4), B) (x + 8) and C) (x - 7) won't give you the roots 4, - 7, 8. They will produce - 4, - 8 and 7.

    Hence, D) (x - 9) is the correct answer.
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