According to the given information write the equation and the foci of the ellipse.

Vertices: (2, 1), (−2, −1), (−6, 1), and (−2, 3).

center is at (-2,1)

a = 4, b=2, so c^2 = 12
foci are at (-2±√12 , 1)
(x+2)^2/16 + (y-1)^2/4 = 1