O raio e o centro da circunferência de : X² + y²- 4x + 6y + 4 = 0
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Bom dia Paula!
Solução!
![x^{2} +y^{2}-4x+6y+4=0\\\\\\\
-2x=-4\\\\
x= \dfrac{-4}{-2}\\\\\\
x=2\\\\\\
-2y=6\\\\\\
y= \frac{6}{-2}\\\\\\
y=-3\\\\\\\\\\ \boxed{Centro(2,-3)}](https://tex.z-dn.net/?f=+x%5E%7B2%7D+%2By%5E%7B2%7D-4x%2B6y%2B4%3D0%5C%5C%5C%5C%5C%5C%5C%0A%0A%0A-2x%3D-4%5C%5C%5C%5C%0A%0Ax%3D+%5Cdfrac%7B-4%7D%7B-2%7D%5C%5C%5C%5C%5C%5C%0Ax%3D2%5C%5C%5C%5C%5C%5C%0A-2y%3D6%5C%5C%5C%5C%5C%5C%0Ay%3D+%5Cfrac%7B6%7D%7B-2%7D%5C%5C%5C%5C%5C%5C%0Ay%3D-3%5C%5C%5C%5C%5C%5C%5C%5C%5C%5C+%5Cboxed%7BCentro%282%2C-3%29%7D+%C2%A0+ "x^{2} +y^{2}-4x+6y+4=0\\\\\\\
-2x=-4\\\\
x= \dfrac{-4}{-2}\\\\\\
x=2\\\\\\
-2y=6\\\\\\
y= \frac{6}{-2}\\\\\\
y=-3\\\\\\\\\\ \boxed{Centro(2,-3)}")
Bom dia!
Bons estudos!
Solução!
Bom dia!
Bons estudos!
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