Question

If one root of the equation 2x² + kx + 4 = 0 is 2, then the other root is
A. 6
B. – 6
C. – 1
D. 1

Answer 1

Answer:

hey,

see the attachment

option B

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Answer 2

Answer:

And is (B) -6

p(2)=2(2)²+k(2)+4=0

8+2k+4=0

12+2k=0

2k=-12

k=-6

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