cruzismael529
cruzismael529
13-03-2018
Mathematics
contestada
x^2+y^2x+4y-20=0
standard form
Respuesta :
jndawg04
jndawg04
13-03-2018
complete the square by adding the square of half of four to both sides (4)
x^2+y^2-4y+4=4
x^2+(y-2)^2=4
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