Answer to Question #67235 in Geometry for janette

Question

2.Find the focus, vertex, directrix, and axis of the parabola. Sketch the curve.
A.Y = x2- 2x + 3
B. X = y2 + 2x - 4
C.Y = -2x2 +4x + 5

3.Find the equations of the parabolas from the definition
A.Directrix X = 0, focus at (6,0)
B.Vertex (0,4), focus (0,2)
C.Vertex (-2,0), directrix X= 1
D.Focus (-1,-2) directrix: X - 2y + 3 = 0

ELLIPESE
1.Given the ellipse with equation 9x2 + 25y2 = 225, find the major and minor axes, the eccentricity, the coordinates of the foci and vertices. Sketch the ellipse.
2.Find the equation of the ellipse with eccentricity 3/4. Foci in the y-axis, center at origin, and passing through (6,4).

Answer 1

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