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24 August, 14:47

Write the equation of a circle that has a center at (5,-7) and a radius of 8

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  1. 24 August, 15:02
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    (x - 5) ^2 + (y + 7) ^2 = 64.

    Step-by-step explanation:

    The general form of the equation of a circle is

    (x - a) ^2 + (y - b) ^2 = r^2 where (a, b) is the center and r = the radius.

    So the given circle is

    (x - 5) ^2 + (y + 7) ^2 = 8^2.
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