Find the center (h, k) and radius r of the circle. Graph the circle.x2 + y2 - 8x - 2y - 19 = 0 
A. (h, k) = (4, -1); r = 6
B. (h, k) = (4, 1); r = 6
C. (h, k) = (-4, 1); r = 6
D. (h, k) = (-4, -1); r = 6
Answer: B
Mathematics
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