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3 September, 17:36

Find an equation of the circle that has center (-1, 3) and passes through (1.

1)

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  1. 3 September, 20:55
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    (x + 1) ² + (y - 3) ² = 8

    Step-by-step explanation:

    radius (r) : √ (1 - (-1)) ² + (1 - 3) ² = √8 = 2√2

    Formula for circle with center (h, k) : (x - h) ² + (y - k) ² = r²

    (x + 1) ² + (y - 3) ² = 8
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