The center of a circle represented by the equation (x + 9)2 + (y − 6)2 = 102 is?
What is the center of the circle represented by the equation ((x + 9)^2 + (y - 6)^2 = 102)?
8 Answers
This is the standard form for a circle given its center and radius. You really need to review the basics, because you should be able to see the answer, (-9, 6), easily from that formula.
The center of a circle (x – a)^2 + (y – b)^2 = r^2 is (a,b). Compare to your equation.
The radius is r.
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