Is X + Y negative? : DS Archive
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# Is X + Y negative?

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Intern
Joined: 08 Jan 2007
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Is X + Y negative? [#permalink]

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27 Feb 2007, 05:17
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Difficulty:

(N/A)

Question Stats:

100% (01:25) correct 0% (00:00) wrong based on 32 sessions

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Looks easy, not exactly sure why I got it wrong.

Is X + Y negative?

(1) X is negative
(2) Y is positive
Director
Joined: 05 Feb 2006
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27 Feb 2007, 05:20
E for me...

1)+2)

x=-2, y=4 x+y=2
x=-2, y=0.5 x+y=-1.5
Manager
Joined: 04 Oct 2006
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27 Feb 2007, 06:43
Yeah you have no idea what any of those numbers are just by knowing the sign. If this was "Is X * Y Negative?" then you could do something.

E
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wall street...bulls, bears, people from connecticut

27 Feb 2007, 06:43
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# Is X + Y negative?

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