Question

Determine k so that the equation xsquare-4x+k=0has two roots

Answer 1

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Step-by-step explanation:

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Answer 2

The value of k should be (-12) so that the equation has exactly two roots.

Verification:

${x}^{2} - 4x + ( - 12) = 0 \\ = > {x}^{2} - 2x + 6x - 12 = 0 \\ = > x(x - 2) + 6(x - 2) = 0\\ = > (x + 6)(x - 2) = 0 \\ = > x = - 6 \: \: or \: \: x = 2$

HOPE THIS COULD HELP!!!