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29 November, 08:57

What is the equation of a circle with a center (-8,3) and radius 8?

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  1. 29 November, 10:02
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    (x + 8) ² + (y - 3) ² = 64

    Step-by-step explanation:

    The equation of a circle in standard form is

    (x - h) ² + (y - k) ² = r²

    where (h, k) are the coordinates of the centre and r is the radius

    here (h, k) = ( - 8, 3) and r = 8, hence

    (x - ( - 8)) ² + (y - 3) ² = 8²

    (x + 8) ² + (y - 3) ² = 64 ← equation of circle
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