Last visit was: 13 Dec 2024, 08:06 It is currently 13 Dec 2024, 08:06
Home
GMAT
Messages
Tests
Schools
Reviews
Social
Chat
My Profile
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.
Go to My Error Log Learn more
Close
Request Expert Reply
Confirm Cancel
User avatar
stoolfi
User avatar
Joined: 28 Oct 2003
Last visit: 24 Aug 2005
Posts: 246
Own Kudos:
292
Location: 55405
Posts: 246
Kudos: 292
if x<y, is x² < y² ? y>0 x>0 02 Dec 2003, 17:48
Kudos
Add Kudos
Bookmarks
Bookmark this Post
if x0
x>0



Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
Still interested in this question? Check out the "Best Topics" block below for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
User avatar
stoolfi
User avatar
Joined: 28 Oct 2003
Last visit: 24 Aug 2005
Posts: 246
Own Kudos:
292
Location: 55405
Posts: 246
Kudos: 292
if x<y, is x² < y² ? y>0 x>0 02 Dec 2003, 17:49
Kudos
Add Kudos
Bookmarks
Bookmark this Post
A-ha!!! This bulletin board accepts subscripts and superscripts!

But please take a a shot at the question, too...
User avatar
guy123
User avatar
Joined: 15 Sep 2003
Last visit: 02 Dec 2003
Posts: 35
Own Kudos:
55
Location: california
Posts: 35
Kudos: 55
if x<y, is x² < y² ? y>0 x>0 02 Dec 2003, 17:57
Kudos
Add Kudos
Bookmarks
Bookmark this Post
A alone is not sufficient
B alone is not sufficient

A and B together are,

so i say the answer is C
User avatar
mantha
User avatar
Joined: 11 Oct 2003
Last visit: 22 Mar 2007
Posts: 57
Own Kudos:
3
Location: USA
Posts: 57
Kudos: 3
if x<y, is x² < y² ? y>0 x>0 02 Dec 2003, 18:09
Kudos
Add Kudos
Bookmarks
Bookmark this Post
x>0 => y>0;
For all y>x, y^2>x^2
User avatar
guy123
User avatar
Joined: 15 Sep 2003
Last visit: 02 Dec 2003
Posts: 35
Own Kudos:
55
Location: california
Posts: 35
Kudos: 55
if x<y, is x² < y² ? y>0 x>0 02 Dec 2003, 18:27
Kudos
Add Kudos
Bookmarks
Bookmark this Post
oops, my mistake...... b is sufficient...
User avatar
dj
User avatar
Joined: 13 Nov 2003
Last visit: 25 Jun 2012
Posts: 558
Own Kudos:
1,000
Location: Florida
Posts: 558
Kudos: 1,000
if x<y, is x² < y² ? y>0 x>0 02 Dec 2003, 18:27
Kudos
Add Kudos
Bookmarks
Bookmark this Post
as x>0, y will also be >0

B is sufficient.
avatar
stolyar
avatar
Joined: 03 Feb 2003
Last visit: 06 May 2014
Posts: 1,012
Own Kudos:
1,752
Posts: 1,012
Kudos: 1,752
if x<y, is x² < y² ? y>0 x>0 05 Dec 2003, 06:29
Kudos
Add Kudos
Bookmarks
Bookmark this Post
B is Ok

How to activate superscripts?
User avatar
wonder_gmat
User avatar
Joined: 26 Aug 2003
Last visit: 07 Jan 2004
Posts: 118
Own Kudos:
20
Location: United States
Posts: 118
Kudos: 20
if x<y, is x² < y² ? y>0 x>0 05 Dec 2003, 07:03
Kudos
Add Kudos
Bookmarks
Bookmark this Post
I say B too.
User avatar
stoolfi
User avatar
Joined: 28 Oct 2003
Last visit: 24 Aug 2005
Posts: 246
Own Kudos:
292
Location: 55405
Posts: 246
Kudos: 292
if x<y, is x² < y² ? y>0 x>0 05 Dec 2003, 07:25
Kudos
Add Kudos
Bookmarks
Bookmark this Post
stolyar,

https://www.justinalia.com/apologia/name ... ities.html

² ³ ¼ ½ ≠
avatar
stolyar
avatar
Joined: 03 Feb 2003
Last visit: 06 May 2014
Posts: 1,012
Own Kudos:
1,752
Posts: 1,012
Kudos: 1,752
if x<y, is x² < y² ? y>0 x>0 09 Dec 2003, 06:17
Kudos
Add Kudos
Bookmarks
Bookmark this Post
A[&#179]-B[&#179]
avatar
stolyar
avatar
Joined: 03 Feb 2003
Last visit: 06 May 2014
Posts: 1,012
Own Kudos:
1,752
Posts: 1,012
Kudos: 1,752
if x<y, is x² < y² ? y>0 x>0 09 Dec 2003, 06:20
Kudos
Add Kudos
Bookmarks
Bookmark this Post
D&#179

nothing doing...
User avatar
stoolfi
User avatar
Joined: 28 Oct 2003
Last visit: 24 Aug 2005
Posts: 246
Own Kudos:
292
Location: 55405
Posts: 246
Kudos: 292
if x<y, is x² < y² ? y>0 x>0 09 Dec 2003, 08:44
Kudos
Add Kudos
Bookmarks
Bookmark this Post
x┬к

without a space, type & # 1 7 0 ;

You forgot the semicolon!
avatar
Titleist
avatar
Joined: 14 Oct 2003
Last visit: 14 Dec 2005
Posts: 202
Own Kudos:
161
Location: On Vacation at My Crawford, Texas Ranch
Posts: 202
Kudos: 161
if x<y, is x² < y² ? y>0 x>0 09 Dec 2003, 12:06
Kudos
Add Kudos
Bookmarks
Bookmark this Post
Let's do some scenarios

1) y>0

x y x^2 y^2 x^20
[u] x y x^2 y^2 x^2 <y^2?
2 3 4 9 yes
1/3 1/2 1/9 1/4 yes

2 Is Sufficient

B Alone



Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
Moderator:
yashikaaggarwal
Senior Moderator - Masters Forum
3116 posts