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If \(x\&y = x^2 - 2y,\) what is the value of \(a\&2 ?\)

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by Vincen » Thu Nov 26, 2020 12:47 pm

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If \(x\&y = x^2 - 2y,\) what is the value of \(a\&2 ?\)

(1) \(3\&a = 13\)
(2) The value of a is either \(2\) or \(-2.\)

Answer: D

Source: Princeton Review
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