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March 26, 2017

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What is the equation of a circle with its center at (0,3) and a diameter of 6?

  • math - ,

    What do you want to find out about this circle?

  • math - ,

    I need the equation of the circle.
    The multiple choice answers are:
    a. x^2+(y+3)^2=9
    b. x^2-(y-3)^2=9
    c. x^2+y^2-6y=0
    d. x^2+(y-3)^2=0
    e. x^2+(y-3)^2=36
    I don't know where to go from here.

  • math - ,

    See:
    http://www.jiskha.com/display.cgi?id=1252375294

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