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Math Help - Need Help Asap!!!

  1. #1
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    Need Help Asap!!!

    Describe in words the graph of each of these curves below. Include in your description the shape, along with other possible relevant information such as length, width, and center points.
    a. Y = 3X^2
    b. (X-1)^2 + (Y-8)^2 = 16
    c. (X+2)^2 + (Y-4)^2 = 36
    d. Y = X^2 - X
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  2. #2
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    Quote Originally Posted by Shreve318 View Post
    Describe in words the graph of each of these curves below. Include in your description the shape, along with other possible relevant information such as length, width, and center points.
    a. Y = 3X^2

    Parabola (opens upward)
    Vertex (0, 0)
    Min value = 0
    Focus (0, 1/12)
    Directrex: y = -1/12
    Length of latus rectum = 1/3
    Axis of symmetry: x = 0
    X-intercept=0

    b. (X-1)^2 + (Y-8)^2 = 16

    Circle
    Center (1, 8)
    Radius = 4

    c. (X+2)^2 + (Y-4)^2 = 36

    Circle
    Center(-2, 4)
    Radius=6

    d. Y = X^2 - X

    Parabola
    See if you can figure the rest of this one.
    If you have a graphing calculator, you can verify these findings. I suggest you find a table of characteristics of the conic sections, especially the parabola and circle.
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