GRE Sample Test 1 Quantitative Reasoning 2

If |x| = 6, then x = 6, or x = −6. If x = 6, then y = 6 + 4 = 10. The quantities are equal, so you can eliminate (A) and (B). If x = −6, theny = −6 + 4 = −2, and Quantity B is greater. Eliminate (C), and select (D).