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Thread: Write an equation of the circle described in both the standard form and general form

  1. February 16th 2010, 07:13 AM #1
    lance
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    Write an equation of the circle described in both the standard form and general form

    Tangent to x = -2 and y = 2 at (-2,0) and (-4,2)

    Please help me with this and show the solution.. Thanks!
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  2. February 16th 2010, 07:21 AM #2
    dedust
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    Quote Originally Posted by lance View Post
    Tangent to x = -2 and y = 2 at (-2,0) and (-4,2)

    Please help me with this and show the solution.. Thanks!
    try to sketch the line and the circle.

    the center should be in (-4,0) with radius r = 2

    the equation of the circle : (x+4)^2 + y^2 = 4
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