x2 + y2 - 16x - 12y + 84= 0 (complete the square to write the standard form equation of each circle, identify the center and radius. )

Question

x2 + y2 - 16x - 12y + 84= 0  (complete the square to write the standard form equation of each circle, identify the center and radius. )

Raymond B. · Accepted Answer

x^2-16x+64  +y^2-12y+36 = 64+36- 84(x-8)^2 + (y-6)^2 = 16 = 4^2center (8,6), radius=4

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