Vertices: and
.
Foci: and
.
Since the -coordinates of the vertices are same, it is horizontal.
The standard form of horizontal ellipse is .
Where ,
,
: length of semi minor axis,
: length of semi major axis,
Center : ,
Foci : ,
Vertices : ,
Co-vertices : ,
Major axis : ,
Minor axis : .
The center of the ellipse is the midpoint point of the vertices.
\.
The distance between the vertices is equals to .
.
The distance between the foci is equals to .
.
Consider .
.
Substitute the values ,
and
in
.
.
The ellipse equation is .