Use the Discriminant to Decide Whether the Equation Represents a Parabola

question 146

Multiple Choice

Use the discriminant to decide whether the equation represents a parabola, an ellipse, or a hyperbola.
- $$9 x ^ { 2 } - 6 x y + 6 y ^ { 2 } - 20 = 0$$

• A) Hyperbola
• B) Ellipse
• C) Parabola