if a zero of the polynomial x^2+5x+k is -4 then the value of k is???​

Question

if a zero of the polynomial x^2+5x+k is -4 then the value of k is???​

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Natalia 1 month 2021-08-18T19:10:59+00:00 1 Answer 0 views 0

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    2021-08-18T19:12:50+00:00

    Answer:

    (-4)^2+5(-4)+k

    16-20+k=0

    -4+k=0

    therefore, k=4

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