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4 November, 10:32

Write the equation of the circle with Center (2, - 3) and a radius of 4

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  1. 4 November, 10:47
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    (x-a) ^2 + (y+b) ^2 = r^2 where (a,-b) is the center and r is the radius.

    check: (x-2) ^2 + (y+3) ^2 = = (2,-3)

    r^2=16 = = sqrt (16) = 4
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