Equation of Circle

Front

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

Back

Front

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

Back

The radius of a circle represents the distance from the center of the circle to any point on its circumference.

Front

Back

The radius is 3.

Front

Write the equation of a circle with center at the origin (0,0) and a radius of 10.

Back

Front

Back

Front

Back

Center: (2, -5), Radius: 9.

Front

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

Back

Front

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

Back

Front

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

Back

The radius is the square root of the constant on the right side of the equation in standard form.

Front

If the center of a circle is at (h, k), what is the equation of the circle?

Back