Respuestas

2012-09-26T06:48:13+02:00

ecuaciones te falto la pendiente

y+4=m(x+1)

 

y+7=m(x-3)

2012-09-26T07:02:51+02:00

(x1, y1) = (1,4)
(x2, y2) = (-3,7)

pendiente -> m=(y2-y1)/(x2-x1) = (7-4)/(-3-1)=3/-4=-4/3

ecuacion-> y-y1=m(x-x1) = y-4=(-4/3)(x-1)
resolviendo => y = (-4/3)x-16/3