Respuesta :
y - y₁ = m(x -x₁)
slope m = 3, from point (5, 5) , x₁ = 5, y₁ = 5
y - y₁ = m(x -x₁)
y - 5 = 3(x -5)
slope m = 3, from point (5, 5) , x₁ = 5, y₁ = 5
y - y₁ = m(x -x₁)
y - 5 = 3(x -5)