Find the center and radius of a circle
(x+1)2 + (y-3)2
(x - h)^2 + (y - k)^2 = r^2
where center = (h, k) and r = radius
http://www.analyzemath.com/CircleEq/Tutorials.html
(x+1)2 + (y-3)2
where center = (h, k) and r = radius
http://www.analyzemath.com/CircleEq/Tutorials.html