Find the equation of a circle given the center and line tangent to the circle

The video tutorial explains how to write the equation of a circle given its center and the fact that it is tangent to the X axis. It covers the standard form of a circle's equation, the concept of tangency, and how to determine the radius by understanding the distance from the center to the X axis. The tutorial uses a step-by-step approach to ensure comprehension of these geometric concepts.

What is the center of the circle mentioned in the problem?

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Describe the relationship between the center of the circle and the radius when the circle is tangent to the X axis.

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