July 17th, 2008, 06:49 AM  #1 
Newbie Joined: Jul 2008 Posts: 1 Thanks: 0  Coordinate Geometry
Solve the following system of equations using the elimination method by equating coefficients: 11x – 5y + 61 = 0 3x  20y – 2 = 0 Find Your Solution Here; www.wintestorbit.info/PlayExplanation.a ... roblemTest 
July 18th, 2008, 11:26 PM  #2 
Global Moderator Joined: Dec 2006 Posts: 21,036 Thanks: 2274 
Subtracting the second equation from 4 times the first equation gives 41x + 246 = 0, so x = 6. Hence y = 1.


Tags 
coordinate, geometry 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Coordinate geometry  strangepath  Geometry  5  April 4th, 2013 07:40 AM 
coordinate geometry  helloprajna  Geometry  2  November 17th, 2012 10:22 PM 
Coordinate Geometry  MathematicallyObtuse  Geometry  2  January 12th, 2011 08:18 PM 
coordinate Geometry  hannif razak  Geometry  2  September 15th, 2009 04:33 PM 
Use of plane geometry in coordinate geometry problems  cursed_mask  Geometry  0  July 22nd, 2008 11:52 PM 