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Mathematics 9 Online
OpenStudy (anonymous):

The center of a circle is at (-5, 1) and it has a radius of 9. What is the equation of the circle? A: (x 5)^2 + (y + 1)^2 = 81 B: (x 5)^2 + (y + 1)^2 = 3 C: (x + 5)^2 + (y - 1)^2 = 81 D: (x + 5)^2 + (y - 1)^2 = 3

OpenStudy (anonymous):

It is C

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