1. Sep 21, 2005

qqchico

why are they called quadric surfaces?

2. Sep 21, 2005

CinderBlockFist

well the definition in my book gives:

Q quadric surface is the graph of a second-degree equation in three variables x, y, and z. So i guess cause its the graph of a quadratic equation in 3-D.

3. Sep 23, 2005

qqchico

I have that too but i don't think the teacher would give such an easy question. thanks a bunch.

4. Sep 23, 2005