Find the center and radius of the circle with the given equation. x2 + y2 + 14x - 2y + 50 = 4
A. Center (1, -7), r = 2
B. Center (-7, 1), r = 2
C. Center (-1, 7), r = 4
D. Center (7, -1), r = 4
Answer: B
Mathematics
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