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# What is the value of x + y? (1) x^2 +y^2 = 5 (2) xy = 2

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Manager
Joined: 31 Aug 2016
Posts: 203
Location: India
Concentration: Operations, Finance
GMAT 1: 680 Q49 V33
GMAT 2: 700 Q49 V37
GPA: 2.81
What is the value of x + y? (1) x^2 +y^2 = 5 (2) xy = 2  [#permalink]

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07 Oct 2018, 02:09
2
00:00

Difficulty:

45% (medium)

Question Stats:

61% (01:10) correct 39% (00:43) wrong based on 64 sessions

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What is the value of x + y?

(1) $$x^2 +y^2=5$$
(2) $$xy=2$$

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Joined: 05 May 2017
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Re: What is the value of x + y? (1) x^2 +y^2 = 5 (2) xy = 2  [#permalink]

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07 Oct 2018, 02:59
1
Since final x+y could be 3 or -3
Re: What is the value of x + y? (1) x^2 +y^2 = 5 (2) xy = 2   [#permalink] 07 Oct 2018, 02:59
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