Write an Equation for the Ellipse $( \pm 9,0 )$ ; $x$

Multiple Choice

Write an equation for the ellipse.
-foci at $( \pm 9,0 )$ ; $x$ -intercepts $( \pm 15,0 )$

A) $\frac { x ^ { 2 } } { 15 } + \frac { y ^ { 2 } } { 12 } = 1$

B) $\frac { x ^ { 2 } } { 144 } + \frac { y ^ { 2 } } { 225 } = 1$

C) $\frac { x ^ { 2 } } { 225 } + \frac { y ^ { 2 } } { 144 } = 1$

D) $\frac { x ^ { 2 } } { 12 } + \frac { y ^ { 2 } } { 15 } = 1$