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# If y < x, is x^2 < y^2 ? (1) y > 0 (2) x > 0

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Joined: 01 Sep 2010
Posts: 3304
If y < x, is x^2 < y^2 ? (1) y > 0 (2) x > 0  [#permalink]

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01 Nov 2018, 02:30
Top Contributor
1
00:00

Difficulty:

45% (medium)

Question Stats:

55% (01:08) correct 45% (01:15) wrong based on 55 sessions

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If $$y < x$$, is $$x^2 < y^2$$?

(1) y > 0
(2) x > 0

_________________
Manager
Joined: 11 Feb 2018
Posts: 153
GMAT 1: 690 Q47 V37
GMAT 2: 710 Q50 V36
Re: If y < x, is x^2 < y^2 ? (1) y > 0 (2) x > 0  [#permalink]

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01 Nov 2018, 02:50
1
This has to be A...can u recheck the OE..?

Posted from my mobile device
Math Expert
Joined: 02 Sep 2009
Posts: 50711
Re: If y < x, is x^2 < y^2 ? (1) y > 0 (2) x > 0  [#permalink]

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01 Nov 2018, 02:55
redskull1 wrote:
This has to be A...can u recheck the OE..?

Posted from my mobile device

______________________
Yes. Edited.
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Re: If y < x, is x^2 < y^2 ? (1) y > 0 (2) x > 0  [#permalink]

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01 Nov 2018, 03:04
Top Contributor
Thank you so much. However, the official paper test reported B as OA.

Regards
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Re: If y < x, is x^2 < y^2 ? (1) y > 0 (2) x > 0  [#permalink]

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01 Nov 2018, 04:02
1
carcass wrote:
If $$y < x$$, is $$x^2 < y^2$$?

(1) y > 0
(2) x > 0

if y > 0

then x > y > 0

then it is not true that x^2 < y^2 sufficient.

x > 0 then we don't know about y

if x = 2 and y = -3

then it is not true.

if x = 2 and y = -1 then is it true.

Not sufficient.

Re: If y < x, is x^2 < y^2 ? (1) y > 0 (2) x > 0 &nbs [#permalink] 01 Nov 2018, 04:02
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