Respostas

2014-05-22T15:24:58-03:00
A(3,1) B(-2,0)
(y-y0)/(x-x0)=(y1-y0)/(x1-x0)
(y-1)/(x-3)=(1-0)/(3+2)=1/5
5y-5=x-3

5y-x-2= (B)