Question

calcule o coeficiente angular da reta q passa pelos pontos A(-5,1)e b (2,-7)

Answer 1

Olá !

Resolução :


$m =\dfrac{\Delta Y}{\Delta X} =\dfrac{Yb - Ya }{Xb - Xa } =\dfrac{-7 - 1}{2 - (-5)} =\dfrac{-8}{7} = -\dfrac{8}{7}$



Resposta :


$\boxed{-\dfrac{8}{7}}}$