The discriminant is .
Rewrite the function .
The general form of the conic equation is .
Identify the conic section using the discriminant of .
If a circle ;
and
.
If an ellipse ; either
and
.
If a hyperbola .
If an parabola .
Here .
Subustiute the values in the equation .
The discriminant is greater than , so the conic is an hyperbola.
The conic is an hyperbola.