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

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Status: Valar Dohaeris
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GMAT 1: 700 Q49 V37
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What is the value of x + y? (1) x^2 +y^2 = 5 (2) xy = 2  [#permalink]

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New post 07 Oct 2018, 03:09
2
00:00
A
B
C
D
E

Difficulty:

  45% (medium)

Question Stats:

63% (01:11) correct 37% (00:46) wrong based on 75 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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Re: What is the value of x + y? (1) x^2 +y^2 = 5 (2) xy = 2  [#permalink]

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New post 07 Oct 2018, 03:59
1
Answer - E
Since final x+y could be 3 or -3
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Re: What is the value of x + y? (1) x^2 +y^2 = 5 (2) xy = 2   [#permalink] 07 Oct 2018, 03:59
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