Module 12.6B

Quadric Surfaces

The six types of quadric surfaces are shown in the table below. Click on each image to investigate the corresponding family of surfaces. For each surface, complete the three exercises that follow the table.

Ellipsoid	Cone
Ellilptic Paraboloid	Hyperboloid of One Sheet
Hyperbolic Paraboloid	Hyperboloid of Two Sheets

Exercises

1. Describe the effect that changing the value of a has on the graph.

2. Describe the effect that changing the value of b has on the graph.

3. Describe the effect that changing the value of c has on the graph.