Understanding Circle Equations

Front

What is the standard equation of a circle with center (0, 0) and radius 3?

Back

Front

Back

Center: (-3, 4); Radius: 1

Front

Back

Front

What is the equation of the circle with center (3, 8) and radius 4 units?

Back

Front

Back

5

Front

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

Back

Front

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

Back

Front

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

Back

The radius is the distance from the center of the circle to any point on the circle.

Front

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

Back

Complete the square for the x and y terms.

Front

Back

6