Use the Discriminant to Classify the Graph $x ^ { 2 } - 10 x y - 9 y ^ { 2 } + 8 x - 33 = 0$

Multiple Choice

Use the discriminant to classify the graph.​ $x ^ { 2 } - 10 x y - 9 y ^ { 2 } + 8 x - 33 = 0$ ​

A) The graph is a ellipse.
B) The graph is a circle.
C) The graph is a hyperbola.
D) The graph is a line.
E) The graph is a parabola.