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A
B
C
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Source: Magoosh
Given that \(xy > 0\), which of the following must also be greater than zero?
A. \(x+y\)
B. \(x^2+y\)
C. \((x+y)^2\)
D. \(x^2-y^2+100\)
E. \((x-y)^2\)
The OA is C
Given that \(xy > 0\), which of the following must also be greater than zero?
A. \(x+y\)
B. \(x^2+y\)
C. \((x+y)^2\)
D. \(x^2-y^2+100\)
E. \((x-y)^2\)
The OA is C