Respostas

2013-07-03T16:40:39-03:00

(x,y) (xo,yo)

\frac{y-yo}{x-xo}=m

y-yo=m(x-xo)

\frac{4-1}{3-(-1)}

\frac{3}{4}=m

y-1=3/4(x-(-1))

y-1=3/4(x+1)

4y-4=3x+3

3x-4y+7=0

 

 

 

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