anthonynina0921
anthonynina0921
29-07-2020
Mathematics
contestada
The circule by X^2 + Y^2- 2y-11=0
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versace221575
versace221575
29-07-2020
x^2 + y^2 -2y-11=0
x^2 + y^2 -2y=11
x^2 + y^2 -2y + ? = 11 + ?
x^2 + y^2 -2y + 1 = 11 + ?
x^2 + y^2 -2y + 1 = 11 + 1
x^2 + (y-1)^2 = 12
Solution: Circle
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