Find the center and radius of the circle with the given equation. x2 - 2x + 1 + y2 - 8y + 16 = 36
A. Center (-4, -1), r = 36
B. Center (4, 1), r = 6
C. Center (1, 4), r = 6
D. Center (-1, -4), r = 36
Answer: C
Mathematics
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