Specify the center and radius of the circle.x2 + y2 + 4x - 12y + 15 = 0
A. center: (6, -2); radius: 5
B. center: (2, -6); radius: 25
C. center: (-6, 2); radius: 25
D. center: (-2, 6); radius: 5
Answer: D
Mathematics
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Factor the polynomial completely. If the polynomial cannot be factored, write "prime."x2 + 3xy - 10y2
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Mathematics
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Mathematics