If \(x\) is an integer, is \(x\) even?

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by Vincen » Sun Oct 03, 2021 8:34 am

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If \(x\) is an integer, is \(x\) even?

(1) \(x^2 - y^2 = 0\)
(2) \(x^2 + y^2 = 18\)

Answer: C

Source: Princeton Review

Source: Beat The GMAT — Data Sufficiency | Sun Oct 03, 2021 8:34 am

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