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28 November, 09:09

Find the center and the radius of the circle

x^2-8x+2y=-y^2+19

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  1. 28 November, 10:59
    0
    Centre: (4,-1)

    Radius: 6

    Step-by-step explanation:

    h = - 8/-2 = 4

    k = 2/-2 = - 1

    4² + (-1) ² - (-19) = r²

    r² = 36

    r = 6
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