Find all School-related info fast with the new School-Specific MBA Forum

It is currently 29 Apr 2016, 21:36
GMAT Club Tests

Close

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
Your Progress

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

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

Is x + |x| zero for all negative x ?

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:

Hide Tags

Senior Manager
Senior Manager
avatar
Joined: 12 Mar 2010
Posts: 384
Concentration: Marketing, Entrepreneurship
GMAT 1: 680 Q49 V34
Followers: 2

Kudos [?]: 112 [0], given: 87

Is x + |x| zero for all negative x ? [#permalink]

Show Tags

New post 19 Sep 2013, 09:50
If y = x + |x|, then is y=0 for all x<=0 ??
Expert Post
Math Expert
User avatar
Joined: 02 Sep 2009
Posts: 32539
Followers: 5626

Kudos [?]: 68239 [0], given: 9797

Re: Is x + |x| zero for all negative x ? [#permalink]

Show Tags

New post 19 Sep 2013, 09:57
Expert's post
Intern
Intern
avatar
Joined: 18 Jul 2012
Posts: 13
Followers: 0

Kudos [?]: 16 [0], given: 6

Re: Is x + |x| zero for all negative x ? [#permalink]

Show Tags

New post 19 Sep 2013, 23:52
Hi,

X will be also be negative.If x = -2 then |x| = -2 and x + |x| = -2 + (-2) = -4?? Please explain me.
Expert Post
Math Expert
User avatar
Joined: 02 Sep 2009
Posts: 32539
Followers: 5626

Kudos [?]: 68239 [0], given: 9797

Re: Is x + |x| zero for all negative x ? [#permalink]

Show Tags

New post 20 Sep 2013, 00:18
Expert's post
Re: Is x + |x| zero for all negative x ?   [#permalink] 20 Sep 2013, 00:18
    Similar topics Author Replies Last post
Similar
Topics:
1 Experts publish their posts in the topic For all numbers x, the function f is defined by f(x) = 3x + 1 and the shakticnb 1 31 Aug 2015, 13:23
|x+1| + |x+2| + | x-1|= 20 sandip66612 3 30 Jul 2013, 21:26
Experts publish their posts in the topic x^2=>x??? gmatrant 2 24 May 2013, 15:15
1 if x=0.rstu, where r,s,t,u each represent a non-zero digit aaron22197 3 16 Jun 2008, 00:07
OG 154 Is x negative? axl_oz 11 12 Jan 2007, 11:43
Display posts from previous: Sort by

Is x + |x| zero for all negative x ?

  Question banks Downloads My Bookmarks Reviews Important topics  


GMAT Club MBA Forum Home| About| Terms and Conditions| GMAT Club Rules| Contact| Sitemap

Powered by phpBB © phpBB Group and phpBB SEO

Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.