kaplan 44

This topic has expert replies
Legendary Member
Posts: 789
Joined: Sun May 06, 2007 1:25 am
Location: Southern California, USA
Thanked: 15 times
Followed by:6 members

kaplan 44

by resilient » Thu Apr 03, 2008 10:41 pm
what is the value of (a =2b)^2?

1. a+4b/2b+4=4-2b/a


2.a^4-b^4=15 and a^2=b^2=5



IM stumped!


qa is a
Appetite for 700 and I scraped my plate!
Source: — Data Sufficiency |

GMAT/MBA Expert

User avatar
GMAT Instructor
Posts: 3380
Joined: Mon Mar 03, 2008 1:20 am
Thanked: 2256 times
Followed by:1535 members
GMAT Score:800

Re: kaplan 44

by lunarpower » Fri Apr 04, 2008 1:50 am
Enginpasa1 wrote:what is the value of (a =2b)^2?

1. a+4b/2b+4=4-2b/a


2.a^4-b^4=15 and a^2=b^2=5



IM stumped!


qa is a
hi -

try to re-post this problem (or edit your post) so that it makes more sense. right now, it has some serious issues:

1) the question prompt has an equals sign inside a pair of parentheses. is that supposed to be subtraction? also, same issue with the latter part of statement (2): you have two equals signs, of which, I suppose, one is supposed to be a minus sign.

2) in statement (1), which says 'a+4b/2b+4=4-2b/a', please insert parentheses and/or spaces so that we can tell what is being divided by what.

thanks!

-- ron
Ron has been teaching various standardized tests for 20 years.

--

Pueden hacerle preguntas a Ron en castellano
Potete chiedere domande a Ron in italiano
On peut poser des questions à Ron en français
Voit esittää kysymyksiä Ron:lle myös suomeksi

--

Quand on se sent bien dans un vêtement, tout peut arriver. Un bon vêtement, c'est un passeport pour le bonheur.

Yves Saint-Laurent

--

Learn more about ron