Question

if 2 os the root of the quadritic equation 2xsquare + kx-6 = 0 then value of k is _______...​

Answer 1

Answer:

-1

Step-by-step explanation:

2(2)²+k(2)-6=0

8+2k-6=0

2k+2=0

2k= -2

k= -1

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