SOLUTION: Is the conic section a curve formed by the intersection of two cones or just one? Or does it matter?

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Question 64532: Is the conic section a curve formed by the intersection of two cones or just one? Or does it matter?
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
A conic section is a curve formed by the intersection of a plane and a cone.
Except in the case of a hyperbola of two sheets in which case it's the curves formed by the intersection of a plane and two cones.