Question

Which of the following choices evaluates - 2x + 4x, when x = -2?

A8
B-8
C-16
D. None of these choices are correct.

Answer 1

D. none of these choices are correct

Step-by-step explanation:

substituting -2 as x into the expression,

-2x + 4x

-2(-2) + 4(-2)

4 + (-8)

4 - 8

-4

the answer should be -4