Use the Discriminant to Classify the Graph $x ^ { 2 } - 10 x y - 8 y ^ { 2 } - 18 = 0$

question 2

Multiple Choice

Use the discriminant to classify the graph.​ $x ^ { 2 } - 10 x y - 8 y ^ { 2 } - 18 = 0$ ​

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