Answer
Ellipse
Work Step by Step
This is an ellipse, since it is in the form $\frac{x^2}{a^2}+\frac{y^2}{b^2}=1$.
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.