Find an Equation of the Ellipse with Vertices $( \pm 9,0 )$

Multiple Choice

Find an equation of the ellipse with vertices $( \pm 9,0 )$ and eccentricity $e = \frac { 3 } { 9 }$ .

A) $\frac { x ^ { 2 } } { 72 } - \frac { y ^ { 2 } } { 81 } = 1$
B) $\frac { x ^ { 2 } } { 81 } + \frac { y ^ { 2 } } { 72 } = 1$
C) $\frac { x ^ { 2 } } { 81 } - \frac { y ^ { 2 } } { 72 } = 1$
D) $\frac { x ^ { 2 } } { 72 } + \frac { y ^ { 2 } } { 81 } = 1$
E) $\frac { x ^ { 2 } } { 72 } + \frac { y ^ { 2 } } { 81 } = 1$ .