Question

If one root of the quadratic equation 2x² + kx – 6 = 0 is 2, the value of k is​

Answer 1

Step-by-step explanation:

value of 2x^2+kx-6

2×(2)^2+k×2-6=0

2×4+2k-6=0

8+2k-6=0

2+2k=0

2k=-2

k=-2/2=-1 is your answer.

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