SOLUTION: The center of a circle is at (-5,0) and the diameter of the circle is 18. What is then is its equation.

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Question 1171567: The center of a circle is at (-5,0) and the diameter of the circle is 18. What is then is its equation.
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
radius is 9.
%28x%2B5%29%5E2%2By%5E2=9%5E2