Answer
See graph
Work Step by Step
This is an ellipse because both variables are squared and they are added together. It is not a circle because $a\ne b$.
You need to log in to continue
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.