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

Multiple Choice

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

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