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Find the Center, Foci, and Vertices of the Ellipse x281+y29=1\frac { x ^ { 2 } } { 81 } + \frac { y ^ { 2 } } { 9 } = 1

Question 147

Multiple Choice

Find the center, foci, and vertices of the ellipse.
- x281+y29=1\frac { x ^ { 2 } } { 81 } + \frac { y ^ { 2 } } { 9 } = 1


A) center at (0,0) (0,0)
foci at (62,0) (-6 \sqrt{2}, 0) and (62,0) (6 \sqrt{2}, 0)
vertices at (9,0) ,(9,0) (-9,0) ,(9,0)

B) center at (0,0) (0,0)
foci at (0,3) (0,-3) and (0,3) (0,3)
vertices at (0,9) ,(0,9) (0,-9) ,(0,9)

C) center at (0,0) (0,0)
foci at (0,62) (0,-6 \sqrt{2}) and (0,62) (0,6 \sqrt{2})
vertices at (0,9) ,(0,9) (0,-9) ,(0,9)

D) center at (0,0) (0,0)
foci at (9,0) (-9,0) and (9,0) (9,0)
vertices at (81,0) ,(81,0) (-81,0) ,(81,0)

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