Answer
See below.
Work Step by Step
A hyperbola is the set of all points on the plane such that the distances of its points from two fixed points (the foci) have a constant difference.
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.