Problem 705

What is the length of the major axis of the following graph?

 

1

 

Solution:-

 

This is an ellipse with a center at (0, 0), vertices at (0, -6) and (0, 6), co-vertices at (-3, 0) and (3, 0), the major axis has a length of 12 and the minor axis has a length of 6, the foci are (0,-\sqrt{27}) and (0,   \sqrt{27} ).

 

 

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