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.
-Foci at $( - 20,0 ) , ( 20,0 )$ ; asymptotes: $y = \frac { 3 } { 4 } x , y = - \frac { 3 } { 4 } x$

A) $\frac { y ^ { 2 } } { 256 } - \frac { x ^ { 2 } } { 144 } = 1$
B) $\frac { x ^ { 2 } } { 256 } - \frac { y ^ { 2 } } { 144 } = 1$
C) $\frac { y ^ { 2 } } { 144 } - \frac { x ^ { 2 } } { 256 } = 1$
D) $\frac { x ^ { 2 } } { 144 } - \frac { y ^ { 2 } } { 256 } = 1$