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15-06-2016
Mathematics

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Find the center of the circle whose equation is (x - 8) 2 + (y + 2) 2 = 64
The parabola whose equation is y 2 = 12x has directrix

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sleepyjess sleepyjess

15-06-2016

The center of a circle given the equation in the form (x-h)^2 + (y-k)^2 = r^2 is (h,k). x-8 shows that h is 8, y+2 shows that k is -2, meaning the center is (8, -2)

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