Respostas

2013-11-25T22:55:33-02:00
Delta = b^2 + 4AC
= 1 + 24
= 25
= raízes de 25 e igual a 5

- b +- raiz de delta/2a
-1 + 5/2 =
4/2= 2

-1-5/2a =
-6/2 = -3

resposta {-3, 2}
2013-11-25T23:28:12-02:00
O PAR ORDENADO E (2, - 3) RESP = D