Write Equations of Hyperbolas in Standard Form
-Foci $( - 9,0 ) , ( 9,0 )$

Multiple Choice

Write Equations of Hyperbolas in Standard Form
-Foci: $( - 9,0 ) , ( 9,0 )$ ; vertices: $( - 5,0 ) , ( 5,0 )$

A) $\frac { x ^ { 2 } } { 25 } - \frac { y ^ { 2 } } { 56 } = 1$
B) $\frac { y ^ { 2 } } { 25 } - \frac { x ^ { 2 } } { 56 } = 1$
C) $\frac { x ^ { 2 } } { 25 } - \frac { y ^ { 2 } } { 81 } = 1$
D) $\frac { y ^ { 2 } } { 25 } - \frac { x ^ { 2 } } { 81 } = 1$