Respostas

2013-09-07T19:05:35-03:00
Delta=b^2-4 *a*c
delta=(-5)^2-4*6*1
delta=25-24
delta=1

x= -(-5)+- raiz de 1/2*a
x'=5+1/12
x'=6/12
x'=1/2

x"=5-1/12
x"=4/12
x"=1/3