The Hyperbola
1 Locate a Hyperbola's Vertices and Foci
- $$81 x ^ { 2 } - 100 y ^ { 2 } = 8100$$

Multiple Choice

The Hyperbola
1 Locate a Hyperbola's Vertices and Foci
- $$81 x ^ { 2 } - 100 y ^ { 2 } = 8100$$

A) vertices: $( - 10,0 ) , ( 10,0 )$
foci: $( - \sqrt { 181 } , 0 ) , ( \sqrt { 181 } , 0 )$
B) vertices: $( 0 , - 10 ) , ( 0,10 )$
foci: $( 0 , - \sqrt { 181 } ) , ( 0 , \sqrt { 181 } )$
C) vertices: $( - 10,0 ) , ( 10,0 )$
foci: $( - \sqrt { 19 } , 0 ) , ( \sqrt { 19 } , 0 )$

D) vertices: $( - 9,0 ) , ( 9,0 )$

foci: $( - \sqrt { 181 } , 0 ) , ( \sqrt { 181 } , 0 )$