CPM Homework Banner

Home > A2C > Chapter 5 > Lesson 5.2.1 > Problem 5-72


Give the equation of each circle below in graphing form.    

  1. A circle with center and radius .     

    Remember the general equation for a circle is where is the center.

  2. A circle with center and radius .

    See part (a).

  3. A circle with equation .

Complete the squares for x and y.

Rearrange the equation:

Use the eTool below to graph the equations for each part.
Click the link at right for the full version of the eTool: A2C 5-72 HW eTool