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 Post subject: GMAT simulator 4, question 3Posted: Sun Feb 20, 2011 1:57 pm

Joined: Sat Feb 19, 2011 9:20 pm
Posts: 3
If lal = b, is a+b > ab

1) a= -b
2) a= -3

Explanation
1) a + b = 0, and ab is negative
2) a + b = 0, and ab = -9

My thought when answering this question was that a and b could both = 0. Could someone explain to me why this is not possible? Is it because in 1) you are told that a=-b and that when dealing with zero it cannot have a sign? Therefore 0 does not = -0?

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 Post subject: Re: GMAT simulator 4, question 3Posted: Wed Feb 23, 2011 6:33 am

Joined: Thu Feb 12, 2009 6:32 pm
Posts: 497
please send a screen copy of this problem to help@veritasprep.com and we will be happy to help.

-- Veritas

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