if 1/2 is a root of the equation X2+Kx-5/4=0 then the value of k is​

Question

if 1/2 is a root of the equation X2+Kx-5/4=0 then the value of k is​

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Peyton 2 weeks 2021-10-07T12:08:48+00:00 2 Answers 0 views 0

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    0
    2021-10-07T12:09:52+00:00

    k=2

    pls mark me as brainliest

    0
    2021-10-07T12:10:16+00:00

    Answer:

    k=2

    Step-by-step explanation:

    x²+Kx-5/4=0

    since 1/2 is the root

    for x=1/2 value of expression=0

    putting x=1/2

    (1/2)²+k/2-5/4=0

    k/2= 5/4-1/4

    k/2=1

    k=2

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