- #1

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why are they called quadric surfaces?

- Thread starter qqchico
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- #1

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why are they called quadric surfaces?

- #2

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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

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

- #4

HallsofIvy

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Apparently because a square has 4 sides!

Extends, then to "quadric" surfaces, surfaces whose equations involve 2 nd power.

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