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7 November, 02:13

Find the center and radius of the circle having the equation:

x2 - 10x + y2 - 2y + 15 = 0

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  1. 7 November, 02:33
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    Step-by-step explanation:

    hello:

    (x² - 10x) + (y² - 2y) + 15 = 0

    (x² - 10x+25-25) + (y² - 2y+1-1) + 15 = 0

    (x² - 10x+25) - 25 + (y² - 2y+1) - 1 + 15 = 0

    (x-5) ² + (y-1) ² = 11

    the center is (5; 1) and radius √11
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