University of Georgia
University of Georgia: Hyperbola
This site is a series of four comprehensive lessons on the hyperbola. The lesson contains examples and exercises. The site is easy to follow and contains an end of the lessons assessment activity and a quiz.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Hyperbolas
Find a quick, concise explanation of hyperbolas. An example is given and clearly explained.