why are they called quadric surfaces?
Sep 21, 2005 #2 CinderBlockFist 86 0 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.
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.
Sep 23, 2005 #3 qqchico 28 0 I have that too but i don't think the teacher would give such an easy question. thanks a bunch.
Sep 23, 2005 #4 HallsofIvy Science Advisor Homework Helper 41,847 967 Why are "quadratic equation" called "quadratic" when "quad" means 4? Apparently because a square has 4 sides! Extends, then to "quadric" surfaces, surfaces whose equations involve 2 nd power.
Why are "quadratic equation" called "quadratic" when "quad" means 4? Apparently because a square has 4 sides! Extends, then to "quadric" surfaces, surfaces whose equations involve 2 nd power.
