Circles
(a) Consider the circle: (x+2)squared + (y-1)squared =9.
Find the center and radius of the circle.
(b) Consider the circles:
x squared + y squared + 4x-4y-1=0
x squared + y squared -2x+4y-4=0
(i) Find the center of each circle.
(ii) Find the distance between the centers if the circles are plotted on
the same rectangular coordinate axes.
https://brainmass.com/math/circles/find-center-radius-circles-13736
Solution Summary
This solution shows how to find center and radius of circles.
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