Respostas

  • Usuário do Brainly
2014-06-30T10:02:49-03:00
M = (y₂ - y₁)/(x₂ - x₁)
m = (4 - 8)/(- 2 - 2)
m = - 4/- 4
m = 4/4
m = 1

y - y₀ = m(x - x₀)
y - 8 = 1 . (x - 2)
y - 8 = x - 2
x - 2 = y - 8
x - y - 2 + 8 = 0
x - y + 6 = 0