Find Center and Radius of the Circle

The video tutorial explains how to identify the center and radius of a circle by converting its equation into standard form. It covers the process of completing the square for both X and Y values to create perfect square trinomials. The tutorial also demonstrates how to factor these trinomials and solve for the circle's equation. Finally, it shows how to graph the circle using the identified center and radius.

What does the variable C represent when completing the square?

How do you find the value of C in the context of completing the square?

What is the significance of having a perfect square trinomial in the context of circle equations?