Answer
Hyperboloid of one sheet along the $y$-axis as depicted in $\bf{graph (J)}$
Work Step by Step
The equation is a graph for a Hyperboloid of one sheet along the $y$-axis as depicted in $\bf{graph (J)}$.
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.