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|x|=|y| and xy is different from zero

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|x|=|y| and xy is different from zero [#permalink] New post   22 Feb 2023, 03:17
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\(|x|=|y|\) and xy is different from zero


Quantity A
Quantity B
x+y
2x



A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
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D
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Re: |x|=|y| and xy is different from zero [#permalink] New post   27 Feb 2023, 09:53
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There are some cases where |x| =|y|; case 1: -x+y. so Q(A) = 0.Q(B) = -2y. hence quantity A is greater.
case2 : x = -y . Q(A) = 0 andQ(b) is -2y . which gives quantity A being greater
case 3 : -x = -y , so Q(A) = 2y and Q(B) = 2y . so q(a) = q(b)
hence the quantity is not determinable so leaves the option D
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Re: |x|=|y| and xy is different from zero [#permalink]
27 Feb 2023, 09:53
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