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

It is currently 22 Aug 2014, 17:43

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

What is the value of x?

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
Director
Director
avatar
Joined: 24 Oct 2005
Posts: 662
Location: London
Followers: 1

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

GMAT Tests User
What is the value of x? [#permalink] New post 08 May 2006, 06:38
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 1 sessions
What is the value of x?

1) x^4 = |x|
2) x^2 > x

Please explain how you arrived at your answer.
Director
Director
avatar
Joined: 13 Nov 2003
Posts: 801
Location: BULGARIA
Followers: 1

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

GMAT Tests User
 [#permalink] New post 08 May 2006, 07:16
Hallo remgeo,
from A X^4=IXI possible solutions 1,-1 and 0 (SubstituteIXI=+/-X)
NOT SUFF
From B X^2>X or X^2-X>0 or X*(X-1)>0
Either X>0 and X>1 which means X>1
OR X<0 and X<1 which means X<0
For B X(-inf;0) & (1;+inf)-NOT SUFF
FROM both x=-1 so C
VP
VP
User avatar
Joined: 29 Apr 2003
Posts: 1408
Followers: 2

Kudos [?]: 15 [0], given: 0

GMAT Tests User
 [#permalink] New post 08 May 2006, 10:07
Agreed C

1: -1, 0, 1
2: Almost any number not in the range 0<=x<=1

1+2: gives us the intersection that is -1

Hence, C!
  [#permalink] 08 May 2006, 10:07
    Similar topics Author Replies Last post
Similar
Topics:
What is the value of x-y? americo 2 29 May 2007, 05:19
What is the value of │x + 7│? apollo168 3 23 Aug 2006, 04:56
What is the value of │x + 7│? Achilless 2 18 Aug 2006, 21:58
Median: What is value of X humans 4 24 Jun 2006, 02:06
What is the value of │x + 7│? M8 7 05 May 2006, 19:46
Display posts from previous: Sort by

What is the value of x?

  Question banks Downloads My Bookmarks Reviews Important topics  


GMAT Club MBA Forum Home| About| Privacy Policy| 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®.