Use the Discriminant to Classify the Graph $$36 x ^ { 2 } - 144 x y + y ^ { 2 } - 10 x + 5 y = 0$$

Multiple Choice

Use the discriminant to classify the graph.​ $$36 x ^ { 2 } - 144 x y + y ^ { 2 } - 10 x + 5 y = 0$$ ​

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