IF XY NOT EQUAL TO ZERO WHAT DOES IT MEAN : XY COULB BE

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IF XY NOT EQUAL TO ZERO WHAT DOES IT MEAN : XY COULB BE [#permalink]

08 Apr 2008, 11:47

IF XY NOT EQUAL TO ZERO

WHAT DOES IT MEAN :

XY COULB BE NEGATIVE OR POSITIVE

OR XY MUST BE POSITIVE

PLS DESCRIBE IT ?

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Re: IF XY NOT EQUAL TO ZERO ? [#permalink]

08 Apr 2008, 11:52

"XY COULB BE NEGATIVE OR POSITIVE" :-D

Why do you ask this question? What is the GMAT problem?
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Re: IF XY NOT EQUAL TO ZERO ? [#permalink]

08 Apr 2008, 11:54

Agree, it means what it means, that it is not 0 but anything else, meaning positive and negative values.

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Re: IF XY NOT EQUAL TO ZERO ? [#permalink]

08 Apr 2008, 19:44

It also means neither X nor Y = 0

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Re: IF XY NOT EQUAL TO ZERO ? [#permalink]

08 Apr 2008, 19:54

shobuj wrote:

IF XY NOT EQUAL TO ZERO

WHAT DOES IT MEAN :

XY COULB BE NEGATIVE OR POSITIVE

OR XY MUST BE POSITIVE

PLS DESCRIBE IT ?

If you have any confusal like this, just ask!

"IF XY NOT EQUAL TO ZERO", it means that X and Y separately (you can think like that) must be anything except for ZERO. Because Either X or Y equals 0 will make XY equals ZERO.

So:

shobuj wrote:

XY COULB BE NEGATIVE OR POSITIVE

But It is not neccessary that

shobuj wrote:

OR XY MUST BE POSITIVE

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Re: IF XY NOT EQUAL TO ZERO ? [#permalink] 08 Apr 2008, 19:54

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IF XY NOT EQUAL TO ZERO WHAT DOES IT MEAN : XY COULB BE

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IF XY NOT EQUAL TO ZERO WHAT DOES IT MEAN : XY COULB BE

IF XY NOT EQUAL TO ZERO WHAT DOES IT MEAN : XY COULB BE

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