Homework Help: Equations of a Circle

Posted by Some1 Help Me Plz on Saturday, April 21, 2012 at 5:27pm.

Write the standard for of the equation of the circle that passes through the points at (0,8),(8,0),and (16,8). Then identify the center and radius of the circle.

I have r=8, center=(8,8). What now?

Equations of a Circle - Reiny, Saturday, April 21, 2012 at 5:37pm
Just state the equation...

(x-8)^2 + (y-8)^2= 64

mentally sub in each of the 3 points.
All satisfy the equation.

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