Circles

If you missed class, you can watch my online movies. You must have QuickTime Player, a free download, installed on your computer.

The University of Idaho provides an online resource.  These lectures are only viewable by those with DSL or cable modems.  Real Player, a free download, is required to see these videos. The videos cover the topics below. To see the videos, go to this page and look under section 2.4.
The equation of a circle in general form
Completing the square to find the equation of a circle in general form
Finding the equation of a circle given its graph

More online help:
Completing the square and circles