Answer:
(3, -1), 7
Explanation:
To find the center of this circle: compare the given equation
(x - 3)^2 + (y + 1)^2 = 7^2 to the standard equation of a circle with center at (h, k):
(x - h)^2 + (y -k)^2 = r^2
From this comparison we see that the center is at
h = 3 and k = -1, and also that r must be 7: (3, -1), 7