Go Back   TestMagic Forums > Test preparation > GMAT > GMAT Math
Register Forum Rules FAQ Members List Calendar Search Today's Posts Mark Forums Read

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old 2009 September 8th, 05:16 AM   #1 (permalink)
Within my grasp!
 
Join Date: Aug 2008
Posts: 227
rick21 just joined TestMagic.
Question how to solve this eqn

sqrt(a) +3 = sqrt(2a+17)

This has come up in one of the questions from clock60 ..however I am not able to find the quick solution to solve the eqn except putting value from answer choices ,,

please help ..
rick21 is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!Google Bookmark this Post!Reddit!
Reply With Quote
Old 2009 September 10th, 05:17 AM   #2 (permalink)
miles to go b4 i sleep
 
Join Date: Apr 2009
Location: india
Posts: 110
india_chintan just joined TestMagic.
U got to square both sides couple of time sand then will get a quadratic equations anf then find roots. should not take more than 2 min. the roots are 16 and 4. please confirm.
india_chintan is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!Google Bookmark this Post!Reddit!
Reply With Quote
Old 2009 September 10th, 05:19 AM   #3 (permalink)
miles to go b4 i sleep
 
Join Date: Apr 2009
Location: india
Posts: 110
india_chintan just joined TestMagic.
please post the method tht u saw in the book.
india_chintan is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!Google Bookmark this Post!Reddit!
Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

What you can do
You cannot post new threads
You cannot post replies
You cannot post attachments
You cannot edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


All times are GMT. The time now is 04:01 AM.

Contact TestMagic   TestMagic Forums      Archive   Privacy Statement

TestMagic Locations   Legal   Privacy


SEO by vBSEO 3.2.0
Copyright © 2009 TestMagic
Ad Management by RedTyger

Scroll Up