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22 Apr 2008, 17:34
Kudos
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They just kill me in DS... any tips for dealing with them?
I mean, look at this simple question and yet I not only got it wrong, but also don't seem to grasp the answer. (OE not available to me.)
How come statement 1 isn't sufficient?
...also, is statement 2 sufficient because x^2 represents ±2. Then that would mean that |x| is in turn equal to ±X. Am I on the right track here?
I mean, look at this simple question and yet I not only got it wrong, but also don't seem to grasp the answer. (OE not available to me.)
Quote:
How come statement 1 isn't sufficient?
...also, is statement 2 sufficient because x^2 represents ±2. Then that would mean that |x| is in turn equal to ±X. Am I on the right track here?
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
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22 Apr 2008, 17:49
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1)
x=0,-1,-2,-3,-4...etc.
insufficient
2)
x=+/-2
which is two values insufficient
1 and 2
x>=0 from 1
of the two possible solutions 2 and -2 only one is less than or equal to zero
C
when asking for "the value" you can not use multiple values/variables for sufficiency when taking the GMAT
x=0,-1,-2,-3,-4...etc.
insufficient
2)
x=+/-2
which is two values insufficient
1 and 2
x>=0 from 1
of the two possible solutions 2 and -2 only one is less than or equal to zero
C
when asking for "the value" you can not use multiple values/variables for sufficiency when taking the GMAT
