Question

18) If one root of the quadratic equation 2x2 + kx - 6 = 0 is 2, the value of k
is *​

Answer 1

Answer:

4+kx-6=0

-2+Kx=0

Kx =2

k=2/x

Answer 2

Step-by-step explanation:

2x² + kx - 6 = 0

2(2)² + 2k - 6 = 0

8 + 2k - 6 = 0

2k + 2 = 0

2k = -2

K = -1

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