Describe the Trace of the Surface Given by the Function $y ^ { 2 } + z ^ { 2 } - x ^ { 2 } = 1$

Multiple Choice

Describe the trace of the surface given by the function below $y ^ { 2 } + z ^ { 2 } - x ^ { 2 } = 1$ in the xz-plane.

A) circle
B) parabola
C) line
D) ellipse
E) hyperbola