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Math Help - Conic Sections

  1. #1
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    Conic Sections

    I am confused on the following problems. I would appreciate some help.

    1). Find the equation of the parabola with the directrix at y= -10/3 and focus at [5/2,4]

    2). Find the equation of the circle with diameter endpoints at [squareroot 2,6] and [-3squareroot 2, -11/4]

    Thank you for your help
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by Aarshavin View Post
    I am confused on the following problems. I would appreciate some help.

    1). Find the equation of the parabola with the directrix at y= -10/3 and focus at [5/2,4]
    see the link on conic sections in my signature.

    2). Find the equation of the circle with diameter endpoints at [squareroot 2,6] and [-3squareroot 2, -11/4]
    Hint: hopefully you see why this makes sense, but the center of the circle is the midpoint of the line segment between the two points given. and the radius is 1/2 the distance between the two points (which you can find by the distance formula)
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