Question

If -4 is one root of the equation x²+kx-8=0. Then find the value of k.

Answer 1

Answer:

Hey mate the answer is 2.

Step-by-step explanation:

If - 4 is root of this equation then

x²+kx-8=0

(-4)²+k(-4)-8=0

16-4k-8=0

8-4k=0

4k=8

Therefore,k=2

Hope it helps you.

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