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What is the value of k, If one root of t...

What is the value of k, If one root of the quadratic equation `k x^2 - 7x + 12 =0` is 3

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What is the value of k, If one root of the quadratic equation kx^(2)-7x+12=0 is 3

Find k, one of the roots of the quadratic equation kx^(2) – 7x + 12 = 0 is 3.

Knowledge Check

  • What is the value of k for which the quadratic equation 3x^(2) - kx+ k = 0 has equal roots ?

    A
    `3`
    B
    `6`
    C
    `9`
    D
    `12`

  • For what value of k , are the roots of the quadratic equation (k + 1) x^(2) - 2(k - 1) x + 1 = 0 real and equal?

    A
    k = 0 only
    B
    k = - 3 only
    C
    k = 0 or k = 3
    D
    k = 0 or k = - 3

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