Graph the Hyperbola $$\frac { ( y - 1 ) ^ { 2 } } { 81 } - \frac { ( x + 1 ) ^ { 2 } } { 49 } = 1$$

Multiple Choice

Graph the hyperbola. Identify the center and vertices.
- $$\frac { ( y - 1 ) ^ { 2 } } { 81 } - \frac { ( x + 1 ) ^ { 2 } } { 49 } = 1$$

A) center: $( - 1,1 )$ ;
vertices: $( - 10,1 ) , ( 8,1 )$

B) center: $( - 1,1 )$ ;
vertices: $( - 1 , - 8 ) , ( - 1,10 )$

C) center: $( 1 , - 1 )$ ;
vertices: $( 1 , - 10 ) , ( 1,8 )$

D) center: $( 1 , - 1 )$ ;
vertices: $( - 8 , - 1 ) , ( 10 , - 1 )$