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Sign Changes and Inequality Reversal
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GMAT
GMAT.092 Sign Changes and Inequality Reversal
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If x < y, which comparison is valid after multiplying -3 < 5 by (y - x)
2
?
A
-3(y - x)
2
> 5(y - x)
2
B
-3(y - x)
2
< 5(y - x)
2
C
-3(y - x)
2
= 5(y - x)
2
D
The comparison cannot be determined because the square may be negative.
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