The Circle Equations activity is on Deltamath. You do not have to leave this site to complete it, everything can be done in the window below.

If you have not done so, you may need to create your account with DeltaMath. 

Once you have logged in, locate the assignment titled Circle Equations .

If you need help, or don't understand what a problem is asking you to do, you can click the "Show Example" or "See Solution" button at the top of the window.

There is a graphing calculator located in DeltaMath, you can also use Desmos!

This activity has 5 sections. You must answer 5 questions  in each section correct to be able to move on to the next section.