SOLUTION: Can someone please walk me through this? I have no idea what I'm doing. "Find the center and radius of (x � 8)2 + (y + 7)2 = 64. A.(�8, 7); 8 B. (�7, 8); 64 C. (8, �7); 8

Question 475614: Can someone please walk me through this? I have no idea what I'm doing.
"Find the center and radius of (x � 8)2 + (y + 7)2 = 64.

A.(�8, 7); 8
B. (�7, 8); 64
C. (8, �7); 8
D. (�7, �8); 8"
THANK YOU!!!!!!!! :-)
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
The general form of a circle is

, where the center of the circle is (x0, y0) and the radius is r.

Applying this form, we say that the center of the circle is (8,-7) and the radius is sqrt(64), or 8. Choice C is correct.
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