A circle has a radius of 10 units and is centered at (-9,9). What is the equation of this circle? \sqrt{9 square root of, 98, end square write the equation of this circle.

A circle has an equation of a form,

Where is the center and is the radius.

The coordinates of your circle center are and the radius is , so plug that in,

and simplify to get the equation,

Hope this helps :)

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step-by-step explanation: