Write the Standard Form of an Equation of the Ellipse $( \sqrt { 31 } , 0 )$

Multiple Choice

Write the standard form of an equation of the ellipse subject to the given conditions.
-Endpoints of minor axis: $( \sqrt { 31 } , 0 )$ and $( - \sqrt { 31 } , 0 )$
Foci: $( 0,10 )$ and $( 0 , - 10 )$

A) $\frac { x ^ { 2 } } { 41 } + \frac { y ^ { 2 } } { 31 } = 1$
B) $\frac { x ^ { 2 } } { 31 } + \frac { y ^ { 2 } } { 41 } = 1$
C) $\frac { x ^ { 2 } } { 31 } + \frac { y ^ { 2 } } { 131 } = 1$
D) $\frac { x ^ { 2 } } { 131 } + \frac { y ^ { 2 } } { 31 } = 1$