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College Algebra

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What do I do to graph:
(x-2)^2+(y-4)^2=9

  • College Algebra - ,

    The standard form equation of a circle :

    ( x - h ) ^ 2 + ( y - k ) ^ 2 = r ^ 2

    h are the x coordinates of the center of the circle

    k are the y coordinates of the center of the circle

    r = radius

    In this case:

    x coordinate of the center = 2

    y coordinate of the center = 4

    r = sqrt ( 9 ) = 3

    Draw coordinate system , put driver in point ( x = 2 , y = 4 ) and drive circle with radius = 3


    y coordinate

  • College Algebra - ,

    they are right

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