abs value : Quant Question Archive [LOCKED]
Check GMAT Club Decision Tracker for the Latest School Decision Releases http://gmatclub.com/AppTrack

 It is currently 20 Jan 2017, 18:23

### GMAT Club Daily Prep

#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# abs value

Author Message
CEO
Joined: 21 Jan 2007
Posts: 2756
Location: New York City
Followers: 11

Kudos [?]: 854 [0], given: 4

### Show Tags

02 Mar 2008, 22:42
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

can someone explain this to me. I dont understand the logic behind it.

how do we go from
|x| = |y|
to
x/y = |1|
_________________

You tried your best and you failed miserably. The lesson is 'never try'. -Homer Simpson

Senior Manager
Joined: 28 Feb 2007
Posts: 306
Followers: 1

Kudos [?]: 40 [1] , given: 0

### Show Tags

03 Mar 2008, 00:35
1
KUDOS
|x| = |y| means x=+-y or y=+-X
so in any case x/y=+-1
SVP
Joined: 29 Aug 2007
Posts: 2492
Followers: 67

Kudos [?]: 734 [0], given: 19

### Show Tags

03 Mar 2008, 00:44
bmwhype2 wrote:
can someone explain this to me. I dont understand the logic behind it.

how do we go from
|x| = |y|
to
x/y = |1|

x/y could be 1 or -1. therefore is l1l.
_________________

Gmat: http://gmatclub.com/forum/everything-you-need-to-prepare-for-the-gmat-revised-77983.html

GT

GMAT Instructor
Joined: 04 Jul 2006
Posts: 1264
Followers: 29

Kudos [?]: 298 [0], given: 0

### Show Tags

03 Mar 2008, 01:03
You can say that |x/y| = 1 as long as x and y are not both 0, but not that x/y = | 1 |.
CEO
Joined: 21 Jan 2007
Posts: 2756
Location: New York City
Followers: 11

Kudos [?]: 854 [0], given: 4

### Show Tags

03 Mar 2008, 06:40
|x| = |y|

|x|/|y| = 1

|x/y| = 1

x/y = 1
-(x/y) = 1 --> x/y = -1

x/y = |1|
correct?
_________________

You tried your best and you failed miserably. The lesson is 'never try'. -Homer Simpson

Re: abs value   [#permalink] 03 Mar 2008, 06:40
Display posts from previous: Sort by