The vertices are
and
.
Eccentricity is
.
Find value of
.

Thus, the value of
is
.
The center of the ellipse is midpoint of the vertices.
\

The center of the ellipse is
.
Eccentricity :
.
Substitute
and
in
.

The value of
is
.
Find the value of
.

Substitute
and
in above equation.

Since
–term is the same for each vertex, ellipse is oriented horizontally.
The midpoint of the vertices is
.
Standard form of equation of ellipse is
.
Substitute
and
and
.

Thus, the equation of the ellipse is
.
The equation of the ellipse is
.