(X-5/2)² +(Y+2²)=13
É... mt triste... pelo jeito eu errei essa questão na prova. =(
(x - 5/2)² + (y + 2)²) = 13
x² - 5x + 25/4 + y² + 4y + 4 = 13
x² + y² - 5x + 4y + (25 + 16 - 52)/4 = 0
x² - 5x +y² + 4y - 11/4 = 0
pronto
x²-5x+25/4+y²+4y+4-13=0
x²+y²-5x+4y+25/4+16/4-52/4=0
x²+y²-5x+4y-11/4=0
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Verified answer
(x - 5/2)² + (y + 2)²) = 13
x² - 5x + 25/4 + y² + 4y + 4 = 13
x² + y² - 5x + 4y + (25 + 16 - 52)/4 = 0
x² - 5x +y² + 4y - 11/4 = 0
pronto
x²-5x+25/4+y²+4y+4-13=0
x²+y²-5x+4y+25/4+16/4-52/4=0
x²+y²-5x+4y-11/4=0