Use the Discriminant to Decide Whether the Equation Represents a Parabola

Multiple Choice

Use the discriminant to decide whether the equation represents a parabola, an ellipse, or a hyperbola.
- $$x ^ { 2 } + x y + y ^ { 2 } + 4 x - 3 y - 3 = 0$$

A) Hyperbola
B) Ellipse
C) Parabola