November 8th, 2010, 07:00 PM  #1 
Senior Member Joined: Apr 2009 Posts: 106 Thanks: 0  Locus
Identify the locus of all points P(x, y) in the plane satisfying each of the following expressions: a. x^2 + y^2 < R^2 b. x^2 + y^2  2x + 2y + 4 = 0 
November 8th, 2010, 07:26 PM  #2 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,155 Thanks: 462 Math Focus: Calculus/ODEs  Re: Locus
For (a) it will be all the points inside the circle described by which is a circle centered at the origin having radius R. For (b) we should complete the square for x and y: No real points satisfy this implicit relationship. 

Tags 
locus 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Find the locus  superconduct  Algebra  7  March 1st, 2014 07:08 AM 
Known locus?  Mathmax  Algebra  0  May 22nd, 2011 12:09 PM 
Locus of centroid  roark  Algebra  0  November 26th, 2010 07:43 AM 
Need help with locus  Goldenglove  Complex Analysis  0  December 15th, 2009 10:12 AM 
LOCUS  symmetry  Algebra  6  January 30th, 2007 02:48 AM 