Quadric Surfaces Bold text
Here is the general equation of an ellipsoid
x^2/a^2+y^2/b^2+z^2/c^2 = 1
Here is the general equation of a cone
x^2/a^2 +y^2/b^2 = z^2/c^2
Here is the general equation of a cyinder
x^/a^2+y^b^2= 1
Here is the equation of a hyperboloid of one sheet
x^2/a^2+y^2/b^2-z^2/c^2=1
Here is the equation of a hyperboloid on two sheets
-x^2/a^2-y^2/b^2 + z^2/c^2 = 1
Here is the equation of a elliptic paraboloid
x^2/a^2 +y^2/b^2 = z/c
Here is the equation of a Hyperboloic Paraboloid
x^2/a^2 -y^2/b^2 = z/c
Hyperboloid of two sheets
-x^2/a^2- y^2/b^2 +z^2/c^2 = 1
Here is Elliptic Paraboloid
Wilson Williams
