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Give that (x+2) us a factor is 2x^2+kx-10, which of the following is the value of k? A- -3 B- 3 C- 1 D- -1

Give that (x+2) us a factor is 2x^2+kx-10, which of the following is the value of k? A- -3 B- 3 C- 1 D- -1
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Give that (x+2) us a factor is 2x^2+kx-10, which of the following is the value of k?

A- -3
B- 3
C- 1
D- -1

User Omar Mahmoud
by
7.9k points

1 Answer

2 votes
2 * -10 = -20
so the factors taken are 2 and -5

k = -5 + 2*2 = - 1


Its D

User Manasi Sakhare
by
7.8k points
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