Question

12. If one roots of the equation x+kx+8=0 will be double the other then k=

Answer 1

Answer:

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Answer 2

Answer:

hey mate!ur answer

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!