If one zero is the negative reciprocal of the other for the polynomial y^2+ 9y – 7k, then the value of k will be? (1 Point)

Question

If one zero is the negative reciprocal of the other for the polynomial
y^2+ 9y – 7k, then the value of k will be?
(1 Point)

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Quinn 4 weeks 2021-09-17T09:11:08+00:00 1 Answer 0 views 0

Answers ( )

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    2021-09-17T09:12:58+00:00

    Answer:

    Let first zeros be r and the second will be (-1/r)

    now applying

    product of zeros , ((-1/r)*r)=c/a where , a= coefficient of y^2 =1

    c= constant term =-7k

    so, -1 =-7k

    k=1/7

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