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by m.manavsingh
Sat Jan 12, 2013 2:36 pm
 
Forum: Manhattan Prep GMAT CAT Math
Topic: If |x| + |y| = -x – y and xy does not equal 0
Replies: 12
Views: 4594
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Re: If |x| + |y| = -x – y and xy does not equal 0

Hi All, I still have a small query regarding the solution posted here. Yes, based on the expression x+y must be <0. I was trying to verify this using some numbers and ran into a bit of trouble. If X=-3 and Y=2, then X+Y = -3+2= -1 which is <0. But the LHS equates to 5 whereas the RHS equates t...
by m.manavsingh
Sun Jan 13, 2013 2:02 am
 
Forum: Manhattan Prep GMAT CAT Math
Topic: If |x| + |y| = -x – y and xy does not equal 0
Replies: 12
Views: 4594
Jump to post

Re: If |x| + |y| = -x – y and xy does not equal 0

Ron,

Thanks for the reply.

I am still missing to see how did you deduce that both X and Y should be negative?

I am just trying to understand if there is something that I am missing in my interpretation of the question stem here.