SOLUTION: (Bonus) Concentric circles have the same center but different radii. Write equations for two concentric circles centered at ( -3, 5) with radii of 7 and 9.

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Question 853218: (Bonus) Concentric circles have the same center but different radii. Write equations for two
concentric circles centered at ( -3, 5) with radii of 7 and 9.

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
The general equation for a circle centered at (h,k) with radius R is,


Now you can do the second one, same center, different radius.

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