What is the length of the major axis of the following graph?
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,
) and (0, 
).