Find the Standard-Form Equation of the Hyperbola Centered at the Origin

Multiple Choice

Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.
-Vertices at (0, 6) and (0, -6) ; foci at (0, 9) and (0, -9)

A) $\frac { y ^ { 2 } } { 45 } - \frac { x ^ { 2 } } { 36 } = 1$
B) $\frac { y ^ { 2 } } { 36 } - \frac { x ^ { 2 } } { 81 } = 1$
C) $\frac { y ^ { 2 } } { 36 } - \frac { x ^ { 2 } } { 45 } = 1$
D) $\frac { y ^ { 2 } } { 81 } - \frac { x ^ { 2 } } { 36 } = 1$