I don't understand the equation for a circle. (x - h)2 + (y - k)2 = r2 Can someone please explain it to me?

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(h,k) represents the center, and r represents the radius. To help your understanding, try coming up with a few simple circles and graphing them.

I don't understand how to solve the equation when the numbers are put in

For example, something like this: (x - 3)2 + (y - 7)2 = 25

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