CPG Equations of Circles CLASSWORK

Front

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

Back

Front

What does the variable 'r' represent in the circle equation?

Back

The variable 'r' represents the radius of the circle.

Front

What does the 'h' in (h,k) stand for in the circle equation?

Back

The 'h' represents the x-coordinate of the center of the circle.

Front

What does the 'k' in (h,k) stand for in the circle equation?

Back

The 'k' represents the y-coordinate of the center of the circle.

Front

How do you find the radius from the equation of a circle?

Back

Front

Back

Front

Back

The center of the circle is (-4, 2).

Front

What is the equation of a circle with center (0,0) and radius 5?

Back

Front

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

Back

Front

Back

The graph is a circle centered at (1, -2) with a radius of 5.