GRE Question of the Day (November 25th)

Math

If \({-2 < x \leq {5}}\), then which of the following MUST be true?

A) \({-1 < x^2 < 16}\)

B) \({4 < x^2 \leq {25}}\)

C) \({0 \leq {x^2} \leq {16}}\)

D) \({0 < x^2 \leq {25}}\)

E) \({-4 \leq {x^2} < 36}\)

Correct Answer - E - (click and drag your mouse to see the answer)

Question Discussion & Explanation