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Math Help - Coordinate Geometry

  1. #1
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    Coordinate Geometry

    Find the equation of the following circles.

    a) Centre (2,3) passing through the point (4,4)

    b) Centre (4,6), touching the x-axis.
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  2. #2
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    Quote Originally Posted by Chrr View Post
    Find the equation of the following circles.
    a) Centre (2,3) passing through the point (4,4)
    b) Centre (4,6), touching the x-axis.
    In both of these all you need is a radius.

    For part a) what is the distance between (2,3)~\&~(4,4)~?

    For part b) how far is (4,6) from the x-axis?
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