Identify the Quadric Surface $x ^ { 2 } + \frac { y ^ { 2 } } { 4 } + z ^ { 2 } = 1$

Multiple Choice

Identify the quadric surface. $x ^ { 2 } + \frac { y ^ { 2 } } { 4 } + z ^ { 2 } = 1$

A) The graph is hyperboloid of two sheets.
B) The graph is an ellipsoid.
C) The graph is an elliptic cone.
D) The graph is an elliptic paraboloid.
E) The graph is a hyperboloid of one sheet.