x
2
4
+
y
2
4
+
z
2
9
=
1
z
3
=
x
2
4
+
y
2
4
z
2
9
=
x
2
4
+
y
2
4
x
2
4
+
y
2
4
−
z
2
9
=
1
−
x
2
4
−
y
2
4
+
z
2
9
=
1
z
3
=
x
2
4
−
y
2
4
Ellipsoid
Elliptic Paraboloid
Elliptic Cone
Hyperboloid of One Sheet
Hyperboloid of Two Sheets
Hyperbolic Paraboloid
Appearance
Opacity
Color
Scope
Values
a =
b =
c =
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