Answer:
The center is (0, -9) and the radius is 5
Step-by-step 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 + (y + 9)^2 = 25
(x-0)^2 + (y- -9)^2 = 5^2
The center is (0, -9) and the radius is 5
