The equation is .

Complete the squares.

Divide the equation on both sides with .

Compare it to standard form of  the ellipse equation is .

Here , so major axis is parallel to -axis.

Where,  is the center of the ellipse.

 is the length of the semi major axis.

 is the length of the semi minor axis.

.

.

 is the distance between center and focus.

Distance between center and focus is .

The center of the ellipse is .

The vertices of the ellicpse is at .

The foci of the ellicpse is at .

Graph : 

(1) Draw the coordinate plane.

(2) Plot the center, foci and vertices.

(3) Draw the equation of the ellipse.

The center of the ellipse is .

The vertices of the ellipse is at and .

The foci of the ellipse is at and .

Graph of the ellipse is