Specify the center and radius of the circle.x2 + 8x + y2 - 14y + 1 = 0
A. center: (-4, 7); radius: 64
B. center: (4, -7); radius: 64
C. center: (-4, 7); radius: 8
D. center: (4, -7); radius: 8
Answer: C
Mathematics
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