What are the coordinates of the center of the circle and the length of the radius with the equation (x+3)^2+(y-2)^2=16? Show your work.
well, since the circle of radius r with center at (h,k) is
(x-h)^2 + (y-k)^2 = r^2
it seems pretty clear, eh?
(x-h)^2 + (y-k)^2 = r^2
it seems pretty clear, eh?