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Math Help - Standard form and general form

  1. #1
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    Standard form and general form

    Write an equation of a circle, give its standard form and general form

    Radius 2; tangent to x = 2 and y = -1 and above and to the right of these lines

    Please help me with this and show the solution... Thanks!
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  2. #2
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    Quote Originally Posted by lance View Post
    Write an equation of a circle, give its standard form and general form

    Radius 2; tangent to x = 2 and y = -1 and above and to the right of these lines

    Please help me with this and show the solution... Thanks!
    hi

    you will need to find the centre of the circle which is (4,1)

    tangent at x=2 , move 2 units to the right

    tangent at y=-1 , move 2 units up

    so equation : (x-4)^2+(y-1)^2=2^2

    expand it to get other forms .
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  3. #3
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    equation of circle-standard form and general form

    posted by Lance,

    Hi Lance,

    Statement on line 2 beginning radius=2 is incomplete without additional info.Missing something like the equation of the tangent line?


    bjh
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