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Today, 13:37

What is the center of the circle represented by this equation? (x - 7) 2 + (y + 4) 2 = 9?

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  1. Today, 13:43
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    The general form of a circle at center (h, k) and with radius r is:

    (x - h) ² + (y - k) ² = r²

    In your case, you can match your equation to:

    (x - 7) ² + (y - (-4)) ² = 3²

    So you have a circle centered at (7, - 4) with a radius of 3.
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