butiljohnmichael butiljohnmichael

22-12-2020
Mathematics

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what is the center and radius of the circle given the equation, 8x + x-squared - 2y + y-squared - 64 = 0?

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ChoiSungHyun ChoiSungHyun

22-12-2020

Step-by-step explanation:

8x + x² - 2y + y² - 64 = 0

(x + 4)² + (y - 1)² - 81 = 0

(x + 4)² + (y - 1)² = 81

Hencr the center is (-4,1) and the radius is 9.

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