Question

What is -a^-2 if a = -5?

A. -25

B. 25

C. -1/25

D. 1/25

Answer 1

[AI-generated answer — Bot GPT 3.5]

To evaluate -a^-2 with a = -5, we substitute -5 for a and simplify:

-a^-2 = -(-5)^-2 = -(-5)^2 = -25

Therefore, the answer is A. -25.