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28 February, 19:59

What is the equation of a circle with a center (-2, 3) and a radius r = 5?

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  1. 28 February, 20:09
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    The formula for the equation of a circle is:

    (x - h) ^2 + (y - k) ^2 = r^2

    (h, k) is the center.

    So the equation would be:

    (x + 2) ^2 + (y - 3) ^2 = 5^2

    or

    (x + 2) ^2 + (y - 3) ^2 = 25
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