Draw a Circle
(Quadratic Relations)

How to Use this Applet

The Graph Area

  • Move the cursor to the location of the center of the circle.
  • Click and drag to create a radius (and as a result a circle). The initial position of the cursor when clicked will be the center of the circle.


  • If your solution is incorrect, use the "TRY AGAIN" button to erase the incorrect attempt and start fresh.
  • If your solution is correct, use the "NEW TARGET" button to generate a new equation.