Question

Find the standard equation of the ellipse that has vertices (-2, 2) and (4, 2) and co-vertices of (1, 1) and (1, 3).

Answer 1

(x-1)^2/9 + (y-2)^2 = 1

Answer 2

major axis is // to xaxis; center is at -(-1,-2); has a stretch of 6/2 and a span of 2/2

(x-1)^2 (y-2)^2
------- + ------- = 1
9 1