In each of the Exercises 1 to 9, find the coordinates of the foci, the vertices, the length of major axis, the minor axis, the eccentricity and the length of the latus rectum of the ellipse.
(1) Find the coordinates of the foci.
(2) Find the vertices.
(3) Find the length of the major axis.
(4) Find the length of the minor axis.
(5) Find the eccentricity.
(6) Find the length of the latus rectum.