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| PAGE: 650 | SET: Exercises | PROBLEM: 17 |
The ellipse equation is 
.
Rewrite the equation as 
.
The standard form of horizontal ellipse with center at origin is 
.
Where 
, 
is length of semi major axis and 
is length of semi minor axis.
Vertices 
, co-vertices 
and foci 
, where 
.
Here 
and 
.
Vertices 
and 
.
Co-vertices 
.
In ellipse: 
.
.
Foci: 
and 
.
Graph:
Draw the coordinate plane.
Plot the center, vertices, co-vertices and foci of the ellipse.
Vertices: 
and 
.
Foci: 
and 
.
Graph of the ellipse is
.
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