WOLFRAM|DEMONSTRATIONS PROJECT

Cross Sections of Quadratic Surfaces

​
surface
paraboloid
plane direction
plane
z
=
k
plane
x
=
k
plane
y
=
k
k
-3.9
This Demonstration shows cross sections of quadratic surfaces (or quadrics): ellipsoids, cones, elliptic paraboloids, hyperboloids of one sheet, hyperbolic paraboloids, and hyperboloids of two sheets.