Find the value of k, if the roots of the quadratic equation 2×2-6×+k=0 are real and equal​

Find the value of k, if the roots of the quadratic equation 2×2-6×+k=0 are real and equal​

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2 thoughts on “Find the value of k, if the roots of the quadratic equation 2×2-6×+k=0 are real and equal​”

  1. Answer:

    9

    Step-by-step explanation:

    Comparing the question with ax²+by+c=0, we get,

    a=1; b=-6; c=k

    b2-4ac=0

    (-6)²-4×1×k=0

    36-4k=0

    36=4k

    k=9 (4×9=36)

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