Find the center (h, k) and radius r of the circle. Graph the circle.x2 + y2 + 2x + 12y + 28 = 0

A. Center (-1, 6), r = 3

B. Center (1, -6), r = 3

C. Center (1, 6), r = 3

D. Center (-1-6), r = 3


Answer: D

Mathematics

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