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# If x + y = 2 and x^2 + y^2 = 2, what is the value of xy?

Author Message
Intern
Joined: 23 Jul 2017
Posts: 27
Location: United Arab Emirates
Concentration: Finance, Entrepreneurship
WE: Analyst (Commercial Banking)
If x + y = 2 and x^2 + y^2 = 2, what is the value of xy?  [#permalink]

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05 Aug 2018, 03:04
00:00

Difficulty:

35% (medium)

Question Stats:

89% (00:34) correct 11% (00:49) wrong based on 9 sessions

### HideShow timer Statistics

If x + y = 2 and x^2 + y^2 = 2, what is the value of xy?

A. –2
B. –1
C. 0
D. 1
E. 2

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Open to feedbacks

Senior Manager
Joined: 22 Feb 2018
Posts: 416
Re: If x + y = 2 and x^2 + y^2 = 2, what is the value of xy?  [#permalink]

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05 Aug 2018, 03:14
delta23

Check below link for discussion on same question.
https://gmatclub.com/forum/if-x-y-2-and ... fl=similar
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Good, good Let the kudos flow through you

Math Expert
Joined: 02 Sep 2009
Posts: 52284
Re: If x + y = 2 and x^2 + y^2 = 2, what is the value of xy?  [#permalink]

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05 Aug 2018, 03:22
delta23 wrote:
If x + y = 2 and x^2 + y^2 = 2, what is the value of xy?

A. –2
B. –1
C. 0
D. 1
E. 2

Discussed here: https://gmatclub.com/forum/if-x-y-2-and ... 26195.html

All OG questions are here: https://gmatclub.com/forum/gmac-officia ... 40610.html

TOPIC IS LOCKED.
_________________
Re: If x + y = 2 and x^2 + y^2 = 2, what is the value of xy? &nbs [#permalink] 05 Aug 2018, 03:22
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