The positive value of k- for which both equations- x 2- kx -64-0 and x 2-8 x - k -0 have real roots isA- k -16B- k - 16C- k-16D- k - 16

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Nature of Roots

The positive ...

Question

The positive value of k, for which both equations: x² + kx + 64 =0 and x² - 8x + k =0 have real roots is___________

k = 16

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k ≤ 16

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k = -16

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k ≥ 16

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x^{2} + k x + 64 = 0

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