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## If x + y >0, is x > |y|? confused...

This topic has 1 expert reply and 3 member replies
isisalaska Community Manager
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10 Dec 2006
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#### If x + y >0, is x > |y|? confused...

Sun Jan 21, 2007 10:20 am
22. If x + y >0, is x > |y|?
(1) x > y
(2) y < 0

Is the answer a D or an E, I think is an E and here is why:

Let's say y=-5
X is > y but when Y is |5| X will NOT be > than Y
I have been trying to find examples and I still think is E. Help please?

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Isis Alaska

Thanked by: shobhits
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colinbendell Newbie | Next Rank: 10 Posts
Joined
23 Jan 2007
Posted:
4 messages
Top Reply
Tue Jan 23, 2007 9:57 pm
isisalaska wrote:
22. If x + y >0, is x > |y|?
(1) x > y
(2) y < 0
I solved it another way:

From the question: x > -y (transposing from x+y > 0)

With 1) any value of x > y must also be x > -y which is the same thing as saying x > |y| SUFFICIENT

With 2) y is negative and when you plug it into the first equation you will convert the neg value to a positive value [eg: x > -(-5)]. Therefore no matter what y is, x will always be a greater positive number. SUFFICIENT

### GMAT/MBA Expert

beatthegmat Site Admin
Joined
13 Feb 2006
Posted:
6705 messages
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964 members
Upvotes:
1249
Top Reply
Tue Jan 23, 2007 11:05 am
Sorry for the messed up formatting--it will all be fixed within 24 hours, thanks!

_________________
Sorin Istrate - Community Manager

MBA Watch - Your one-stop shop for all MBA program research

colinbendell Newbie | Next Rank: 10 Posts
Joined
23 Jan 2007
Posted:
4 messages
Tue Jan 23, 2007 9:57 pm
isisalaska wrote:
22. If x + y >0, is x > |y|?
(1) x > y
(2) y < 0
I solved it another way:

From the question: x > -y (transposing from x+y > 0)

With 1) any value of x > y must also be x > -y which is the same thing as saying x > |y| SUFFICIENT

With 2) y is negative and when you plug it into the first equation you will convert the neg value to a positive value [eg: x > -(-5)]. Therefore no matter what y is, x will always be a greater positive number. SUFFICIENT

### GMAT/MBA Expert

beatthegmat Site Admin
Joined
13 Feb 2006
Posted:
6705 messages
Followed by:
964 members
Upvotes:
1249
Tue Jan 23, 2007 11:05 am
Sorry for the messed up formatting--it will all be fixed within 24 hours, thanks!

_________________
Sorin Istrate - Community Manager

MBA Watch - Your one-stop shop for all MBA program research

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