Circles: Their Graphs and Equations
Choose a topic to practice by clicking the Quiz Menu button on the left.
It would be best if you mastered the topics in order

Once you have determined the answer, click the circled letter
of your answer choice and your answer will be marked correct or
incorrect. You can click until you have the question correct.

For a demonstration, click each of the letters above.
B should be marked correct and the rest incorrect.

Clicking on "NEW QUESTION" will generate another
question of the same type as the one just answered.

Question types marked with a [G] involve generating a javascript graph.
The first time you choose one of these, it may take a minute to completely
load the graph, so be patient. Once loaded, generating graphs will not take as long.

If the square for the graph appears but no graph is shown,
you may have to refresh to see the graph.