Find the center-radius form for the circle having the given endpoints of a diameter.(-1, 9) and (3, 3)
A. (x + 1)2 + (y + 6)2 = 26
B. (x - 1)2 + (y - 6)2 = 26
C. (x - 1)2 + (y - 6)2 = 13
D. (x + 1)2 + (y + 6)2 = 13
Answer: C
Mathematics
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