Find the center (h, k) and radius r of the circle with the given equation. x2 + y2 - 8x + 16y = -71
A. (h, k) = (-4, 8); r = 9
B. (h, k) = (8, -4); r = 9
C. (h, k) = (-8, 4); r = 3
D. (h, k) = (4, -8); r = 3
Answer: D
Mathematics
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A. 
+ 
i
B. 
+ 
i
C. 
+ i
D. 
+ 
i
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