Answers:
Center = (4, -4)
Radius = 2
============================================
Step-by-step explanation:
Rewrite the equation into (x-4)^2 + (y-(-4))^2 = 2^2
Compare this to (x-h)^2 + (y-k)^2 = r^2
We see that the center is (h,k) = (4,-4) and the radius is r = 2