Graphing the Ellipse and Hyperbola (Center not at Origin)
This interactive, applet-based site steps the student through the process of identifying an equation as an ellipse or hyperbola and graphing that equation. The graphs in this applet are not centered at the origin. New problems are generated at the click of a button. Feedback and hints are provided along the way, and links are provided to pages providing explanations of the concepts and techniques involved.