Find an Equation for the Hyperbola Described $( 6,7 )$ ; Focus At

Multiple Choice

Find an equation for the hyperbola described.
-Center at $( 6,7 )$ ; focus at $( - 1,7 )$ ; vertex at $( 5,7 )$

A) $\frac { ( x - 7 ) ^ { 2 } } { 48 } - ( y - 6 ) ^ { 2 } = 1$
B) $( x - 7 ) ^ { 2 } - \frac { ( y - 6 ) ^ { 2 } } { 48 } = 1$
C) $( x - 6 ) ^ { 2 } - \frac { ( y - 7 ) ^ { 2 } } { 48 } = 1$
D) $\frac { ( x - 6 ) ^ { 2 } } { 48 } - ( y - 7 ) ^ { 2 } = 1$