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1 August, 21:17

What is the equation of a circle with center (-4 2) and diameter 6?

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  1. 1 August, 22:16
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    Use the general form:-

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

    Here the radius = 1/2 * 6 = 3 so r^2 = 9 and we have the equation:-

    (x + 4) ^2 + (y - 2) ^2 = 9 (answer)
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