7-9 ■ Find an equation for the conic whose graph is shown.
An equation for the conic whose graph is given.
Use the standard equation of the shifted ellipse .
In the graph values of vertices and are given, and values of foci and are given. The center will be the midpoint of vertices or foci and it will be , so and . Since the distance between the center and the vertex is the value of and the distance between the center and the focus is the value of , so and
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