Question

find the value of k for which X =-2 is a root of the quadratic equation kx²+x-6=0​

Answer 1

Answer:

$k x {}^{2} + x - 6 = 0 \\ given \: value \: of \: x = - 2 \\ 4k - 2 - 6 = 0 \\ 4k = 8 \\ k = 2$

the value of k = 2

Answer 2

Ans is 2 see attachment for explanation ..... Hope it helped