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neueziel
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Does Anyone Have any Number Picking Advice for Inequalities? 30 Jan 2007, 06:45
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Hi,

I've been doing a lot of inequalities problems and I noticed that I am having trouble with them. I understand the basic concept of trying to solve them algebraically but sometimes that is not possible and I must resort to picking numbers. Is therea a chart I can use to keep track of my numbers for multiple variables, and multiple signs? Any advice will be very helpful.

Thanks



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yezz
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Does Anyone Have any Number Picking Advice for Inequalities? 30 Jan 2007, 07:22
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though it depends on the problem in hand

try using

+ve and -ve intigers , +ve and -ve fractions , roots , and zero
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hobbit
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Does Anyone Have any Number Picking Advice for Inequalities? 30 Jan 2007, 07:57
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i'd advise you not to look for shortcuts. just learn and practice how to solve inequalities. the GMAT inequalities are usually relatively simple... just practice the basic algebra and don't try to shortcut there....

picking numbers, while relatively easy to put in practice, is the most error prone methods and the most time consuming methods you can find. so you save time of learning (because it easy) and lose time by making unnecessary mistakes...

picking numbers is a very powerful method if it is used wisely (!!!). however, it is so simple to use it in the wrong situations....

learning to distinguish between these right and wrong uses of picking numbers is much more difficult than solving GMAT inequalities algebraicly.

just learn basic algebra. there are no shortcuts there. but it ain't so difficutl either.



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