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Find the Standard Form of the Equation of the Ellipse (0,±9)( 0 , \pm 9 )

Question 329

Multiple Choice

Find the standard form of the equation of the ellipse with vertices (0,±9) ( 0 , \pm 9 ) and eccentricity e=39e = \frac { 3 } { 9 } .


A) x29y281=1\frac { x ^ { 2 } } { 9 } - \frac { y ^ { 2 } } { 81 } = 1
B) x29+y281=1\frac { x ^ { 2 } } { 9 } + \frac { y ^ { 2 } } { 81 } = 1
C) x281+y29=1\frac { x ^ { 2 } } { 81 } + \frac { y ^ { 2 } } { 9 } = 1
D) x281+y272=1\frac { x ^ { 2 } } { 81 } + \frac { y ^ { 2 } } { 72 } = 1
E) x272+y281=1\frac { x ^ { 2 } } { 72 } + \frac { y ^ { 2 } } { 81 } = 1

Correct Answer:

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