Find the Center and the Vertices of the Ellipse $81 x ^ { 2 } + y ^ { 2 } = 81$

question 178

Multiple Choice

Find the center and the vertices of the ellipse. $81 x ^ { 2 } + y ^ { 2 } = 81$

• A)center: (-9, 9); vertices: (-1, -9), (1, 9)
• B)center: (0, 0); vertices: (0, -9), (0, 9)
• C)center: (0, 0); vertices: (-9, -1), (9, 1)
• D)center: (0, 0); vertices: (-9, 0), (9, 0)
• E)center: (-9, 9); vertices: (-1, 0), (1, 0)

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