equation of the ellipse

Problem 524

What is the equation of the ellipse with foci (0, 4), (0, -4) and vertices (0, 8), (0, -8)? Solution:- Use the standard equation

What is the equation of the ellipse with foci (0, 3), (0, -3) and co-vertices (1, 0), (-1, 0)? Solution:- Use the standard equation