The equation of the conic is .
(a)
\Divide the numerator and denominator by 3.
\
.
The equation is of the form .
Compare the equations, eccentricity and
. \ \
Eccentricity of the conic is .
(b)
\As , conic is hyperboola.
(c)
\Directrix of the conic is
.
The value in the numerator is .
Directrix of the conic is
.
Vertices occur when and
.
When then
.
When then
.
(d)
\Graph:
\Graph the ellipse . \ \
The vertices at the points and
.
Draw the directrix line .
(a) Eccentricity of the conic is .
(b) Conic is hyperbola.
\(c) Equation of the directrix is .
(d) Graph of the ellipse is \ \
.