Find the center (h, k) and radius r of the circle with the given equation. x2 + (y + 1)2 = 144
A. (h, k) = (-1, 0); r = 12
B. (h, k) = (0, -1); r = 144
C. (h, k) = (-1, 0); r = 144
D. (h, k) = (0, -1); r = 12
Answer: D
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