$\"\"$

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The polar equation is $\"\"$ .

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Make a table for different values of $\"\"$ .

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$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$
$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$

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Graph:

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(1) Graph the polar co-ordinates.

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(2) Plot the points.

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(3) Connect the points to a smooth curve.

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$\"\"$

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Observe the graph:

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The polar equation represents an ellipse.

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$\"\"$

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Graph the equation $\"\"$ .

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$\"\"$

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The polar equation represents an ellipse.