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What is the center and radius of the circle? *

x² - 2x + 5 + y² = 8

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  1. 8 May, 20:21
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    Answer: center (1; 0), radius = 2

    Step-by-step explanation:

    x² - 2x + 5 + y² = 8

    x² - 2x + 5 + y² = x² - 2x + 1 + 4 + y² = (х-1) ² + 4 + y²

    (х-1) ² + 4 + y² = 8

    (х-1) ² + y² = 8 - 4 = 4

    (х-1) ² + y² = 2²

    center (1; 0), radius = 2
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