Circle Equations

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 center of a circle in the xy-plane?

Circle Equations - Basic Example

A circle in the xy-plane has a diameter with endpoints at (8, 10) and (-2, 0). Which of the following is the center of the circle?

Go to next Question

Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.