Results 1 to 2 of 2

Thread: finding center point of a circle

  1. January 22nd 2013, 08:15 PM #1
    ajones83
    ajones83 is offline
    Newbie
    Joined
    Jan 2013
    From
    Alabama
    Posts
    1

    finding center point of a circle

    ok Im 17 years out of algebra and hit a road block......

    x2 + y2=25 is my equation

    what are the steps to finding the center point from just this information?
    Follow Math Help Forum on Facebook and Google+
  2. January 22nd 2013, 09:32 PM #2
    ibdutt
    ibdutt is offline
    Super Member
    Joined
    Jul 2012
    From
    INDIA
    Posts
    791
    Thanks
    199

    Re: finding center point of a circle

    Just put the LHS in the form (x-h)^2 + ( y-k)^2=a^2, then the centre is the point (h,k) and radius is a.
    Follow Math Help Forum on Facebook and Google+
« New to MHF / Cayley Hamilton 2x2 matrix to power n | Little bit of algebra help. »

Similar Math Help Forum Discussions

  1. [SOLVED] Finding the Radius of Circle Given the Tangent Line and a Center Point
    Posted in the Pre-Calculus Forum
    Replies: 1
    Last Post: June 8th 2010, 05:44 PM
  2. finding the radius of one circle given 3 points and circle's center
    Posted in the Pre-Calculus Forum
    Replies: 7
    Last Post: March 15th 2010, 05:10 PM
  3. Finding the center of a circle
    Posted in the Geometry Forum
    Replies: 1
    Last Post: December 2nd 2009, 11:03 PM
  4. Distance from a point to the center of a circle
    Posted in the Geometry Forum
    Replies: 2
    Last Post: May 19th 2009, 11:37 AM
  5. Equation of unit circle, from a non-center point?
    Posted in the Trigonometry Forum
    Replies: 5
    Last Post: March 21st 2009, 05:45 PM

Search Tags


/mathhelpforum @mathhelpforum