The video tutorial explains the equation of a circle, focusing on the components X, Y, H, K, and R. It describes how X and Y represent points on the circle, while H and K denote the center, and R is the radius. The tutorial guides students through identifying the center and radius of a circle and using these to formulate the circle's equation.

What is the center of the circle given in the example?

How do you derive the equation of the circle using H, K, and R?