Answer:
The center is at (-2,6) and the radius is 7
Explanation:
The equation of a circle can be written as
(x-h)^2 +(y-k)^2 = r^2
where (h,k) is the center and r is the radius
(x+2)^2 +(y-6)^2 = 49
( x- -2)^2 +(y-6)^2 = 7^2
The center is at (-2,6) and the radius is 7