Circle Equations - SAT

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This video is for the redesigned SAT which is for you if you are taking the SAT in March 2016 and beyond.

How to find the equation of a circle in the xy-plane?

Circle Equations - Harder Example

A circle in the xy-plane has its center at (7, 14). If the point (7, 34) lies on the circle, which of the following is an equation of the circle?

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