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7 September, 13:51

What is the radius and center of the circle given by the equation (x-5) ^{2} + (y+2) ^{2} = 81/4

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  1. 7 September, 14:11
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    The center is (5, - 2) and the radius is 9/2

    Step-by-step explanation:

    The equation of a circle can be written by

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

    where (h, k) is the center and r is the radius

    (x-5) ^{2} + (y+2) ^{2} = 81/4

    ((x-5) ^{2} + (y - - 2) ^{2} = (9/2) ^2

    The center is (5, - 2) and the radius is 9/2
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