Respuesta :

We need slope

Take 2 points

  • (1,-0.4)
  • (2,-0.8)

[tex]\\ \tt\hookrightarrow m=\dfrac{-0.8+0.4}{2-1}[/tex]

[tex]\\ \tt\hookrightarrow m=\dfrac{-0.4}{1}=-0.4[/tex]