Respuesta :
Answer:
(-9, 6)
Step-by-step explanation:
It's all about pattern matching.
A circle centered at (h, k) with radius r has the equation ...
(x -h)^2 + (y -k)^2 = r^2
Comparing this pattern to the equation you have, you can see that ...
- h = -9
- k = 6
- r = 10
Then the center is (h, k) = (-9, 6).
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