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8 January, 19:21

Which are the center and radius of the circle with equation (x + 5) 2 + (y - 4) 2 = 9?

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  1. 8 January, 20:41
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    Center (-5,4) radius 3

    Step-by-step explanation:

    The standard equation of a circle is

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

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

    so h=-5 in this case and k is 4

    r^2=9 so r=3
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