ACT Math Practice Test And Review Question Answers 2022

If y = 2x + 5 and x = -3, what is y?

-1 -5 -9 -3

Correct Answer:

-1

Explanation:

Substitute the given x into the expression y = 2x + 5. With x = -3, y = 2(-3) + 5 = -6 + 5 = -1. So y equals -1. The other results would require different x-values (for example, y = -5 would need x = -5, y = -9 would need x = -7, and y = -3 would need x = -4), which isn’t the case here.

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