GRE Question of the Day (September 21) - Prep Club for GRE

Math

If $x^{2} - y^{2} = 0$ and $x y \neq 0$ , which of the following MUST be true?
Indicate all such statements.

A. x = y
B. |x| = |y|
C. $\frac{x^{2}}{y^{2}} = 1$

Question Discussion & Explanation

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

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