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If one root of the quadratic equationx = -2, find the value of kPlzzzzz help me I want it's answer fast ♡♡♡♡♡~♥~​

Answer»

ANSWER:

answer is -1/16

Step-by-step explanation:

put VALUE of x in the equation

2x^2+kx-2=0

{2×(-2)}^2+(-2)k-2=0

{-4)^2-2k=2

16-2k=2

-2k=2/16

k=1/8×(-2)

k=-1/16

hope it helps u

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