Equations of Circles Practice

Front

What is the standard form of the equation of a circle?

Back

Front

How do you find the center of a circle from its equation?

Back

Front

What does the radius of a circle represent in its equation?

Back

Front

Back

The center is (-2, 3) and the radius is 4 (since r = sqrt(16)).

Front

What is the general form of the equation of a circle?

Back

Front

How can you convert the general form of a circle's equation to standard form?

Back

Front

What is the significance of the value on the right side of the equation in a circle's equation?

Back

Front

How do you determine if a point lies inside, on, or outside a circle?

Back

Front

What is the relationship between the diameter and radius of a circle?

Back

Front

If a circle has a center at (0, 0) and a radius of 5, what is its equation?

Back