The Hyperbola

The College of Southern Idaho provides videos that require Windows Media Player 6.0 or higher, a free download.
Locate a hyperbola's vertices and foci. Write equations of hyperbolas in standard form.
Graph hyperbolas centered at the origin.
Graph hyperbolas not centered at the origin.
More on hyperbolas

Dr. Jacci White of St. Leo University recorded this video that also requires Real Player.