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Math

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If the coordinates of the center of a circle are (-3,1) and the radius is 4, what is an equation of the circle

  • Math - ,

    The equation of a line whose center is (a, b) and radius is c is:

    (x-a)^2 + (y-a)^2 = c^2

  • Math - ,

    Is it (x-3)^2 + (y-1)^2 =16

  • Math - ,

    No, it's:

    (x+3)^2 + (y-1)^2 = 16

  • Math - ,

    Thank you

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