SOLUTION: write the equation of the circle with center at (10,-2) and the length of a radius r=6√21. Express the final equation in the for x^2+y^2+Dx+Ex+F=0 I do not even know where

Algebra ->  Equations -> SOLUTION: write the equation of the circle with center at (10,-2) and the length of a radius r=6√21. Express the final equation in the for x^2+y^2+Dx+Ex+F=0 I do not even know where      Log On


   

Question 738869: write the equation of the circle with center at (10,-2) and the length of a radius r=6√21. Express the final equation in the for x^2+y^2+Dx+Ex+F=0
I do not even know where to start with this one! Please help!
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


A circle centered at with radius is described by the equation:



Plug in your numbers, expand the binomials, simplify, and collect like terms in the order specified. Pay very careful attention to your signs.

John

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