Math, asked by goleriddhi01, 4 months ago

which of the following is the value of k if one root of the quadratic equation x2+kx-8=0 is-4​

Answers

Answered by Anonymous
0

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Answered by MissPandit
0

Answer:

answer is 2

Step-by-step explanation:

x2 + kx - 8 = 0

one zero is -4

therefore, By putting x=-4 in the equation..

(-4)*2 + k(-4) - 8 = 0

16 - 4k -8 = 0

8= 4k

k = 8/4

k = 2

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