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Identify the Vertices and the Foci 10x2+8y2=80- 10 x ^ { 2 } + 8 y ^ { 2 } = - 80

Question 12

Multiple Choice

Identify the vertices and the foci.
- 10x2+8y2=80- 10 x ^ { 2 } + 8 y ^ { 2 } = - 80


A) vertices: (10,0) ,(10,0) ( \sqrt { 10 } , 0 ) , ( - \sqrt { 10 } , 0 )
foci: (32,0) ,(32,0) ( 3 \sqrt { 2 } , 0 ) , ( - 3 \sqrt { 2 } , 0 )
B) vertices: (0,10) ,(0,10) ( 0 , \sqrt { 10 } ) , ( 0 , - \sqrt { 10 } )
foci: (0,32) ,(0,32) ( 0,3 \sqrt { 2 } ) , ( 0 , - 3 \sqrt { 2 } )
C) vertices: (8,0) ,(8,0) ( \sqrt { 8 } , 0 ) , ( - \sqrt { 8 } , 0 )
foci: (2,0) ,(2,0) ( \sqrt { 2 } , 0 ) , ( - \sqrt { 2 } , 0 )
D) vertices: (8,0) ,(8,0) ( \sqrt { 8 } , 0 ) , ( - \sqrt { 8 } , 0 )
foci: (32,0) ,(32,0) ( 3 \sqrt { 2 } , 0 ) , ( - 3 \sqrt { 2 } , 0 )

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