Find an Equation for the Ellipse Described $( - 3,0 )$

Multiple Choice

Find an equation for the ellipse described.
-Focus at $( - 3,0 )$ ; vertices at $( \pm 5,0 )$

A) $\frac { x ^ { 2 } } { 16 } + \frac { y ^ { 2 } } { 25 } = 1$
B) $\frac { x ^ { 2 } } { 25 } + \frac { y ^ { 2 } } { 16 } = 1$
C) $\frac { x ^ { 2 } } { 9 } + \frac { y ^ { 2 } } { 25 } = 1$
D) $\frac { x ^ { 2 } } { 9 } + \frac { y ^ { 2 } } { 16 } = 1$