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9 December, 19:51

A circle with center on (7,0) with a radius of 9.

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  1. 9 December, 20:19
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    The answer to your question is (x - 7) ² + y² = 81

    Step-by-step explanation:

    Data

    Center = (7, 0)

    radius = 9

    Process

    To find the standard equation of a circle, just substitute the values of the center and the radius.

    Standar equation of a circle

    (x - h) ² + (y - k) ² = r²

    -Identify the values of h and k

    h = 7 k = 0 and r = 9

    -Substitution

    (x - 7) ² + (y - 0) ² = 9²

    -Simplification

    (x - 7) ² + y² = 81
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