Respostas

  • Usuário do Brainly
2014-05-16T15:21:18-03:00
M = (y2 - y1)/(x2 - x1)
m = (5 - 3)/(1 - 2)
m = 2/- 2
m = - 2/2
m = - 1

y - y0 = m(x - x0)
y - 3 = - 1 . (x - 2)
y - 3 = - x + 2
- x + 2 = y - 3 . (- 1)
x - 2 = - y + 3
x + y - 2 - 3 = 0
x + y - 5 = 0
1 1 1