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)

Question

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)

Quizplus · Accepted Answer

The equation can be rewritten as $(x^2/1) + (y^2/81) = 1$, indicating a vertical ellipse centered at (0,0) with vertices at (0,-9) and (0,9).

Find the Center and the Vertices of the Ellipse 81x2+y2=8181 x ^ { 2 } + y ^ { 2 } = 8181x2+y2=81

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