$\"\"$

The conic equation is $\"\"$ .

Rewrite the equation by completing the squares method.

$\"\"$

Compare it to standard form of vertical ellipse is $\"\"$ .

Thus, graph of the equation represents an ellipse.

$\"\"$ is length of semi major axis and $\"\"$ is length of semi minor axis.

Center is $\"\"$ .

vertices $\"\"$ .

Foci $\"\"$ .

$\"\"$ .

Substitute $\"\"$ and $\"\"$ .

$\"\"$

$\"\"$ .

Foci : $\"\"$ . $\"\"$

(a) The graph of the equation represents an ellipse.

(b) Vertices $\"\"$ and Foci $\"\"$ .