Question

Find the equation of the circle that satisfies the given conditions Center (6,-6) radius 4

Answer 1

For a circle with (h,k) as center and radius, r the equation is
$(x-h)^2+(y-k)^2=r^2$
center is (6,-6)
radius is 4

$(x-6)^2+(y-(-6))^2=4^2$
$(x-6)^2+(y+6)^2=16$