Respostas

  • Usuário do Brainly
2014-06-09T17:48:31-03:00
M = (y2 - y1)/(x2 - x1)
m = (0 - 1)/(4 - 3)
m = - 1/1
m = - 1

y - y0 = m(x - x0)
y - 1 = - 1 . (x - 3)
y - 1 = - x + 3
- x + 3 = y - 1 . (- 1)
x - 3 = - y + 1
x + y - 3 - 1 = 0
x + y - 4 = 0