Question

If x=3 then the equation is x^2-2kx-6=0.Find k

Answer 1

Answer:

the answer to this question is 1/-2

Explanation:

$x {}^{2} - 2kx - 6$

x=3

therefore

$9{ - 2}k \times 3 - 6 = 0$

$9 - 6k - 6 = 0$

9-6=3

$- 6k - 3 = 0$

$- 6k = 3$

k=3/-6

1/-2

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