Question

determine o valor do coeficiente angular da reta S que e perpendicular a reta r de equaao 6x-5y-8=0

Answer 1

6x-5y-8 = 0
-5y = -6x + 8
y = (-6x + 8) / -5
y = 6/5 x - 8

m = 6/5

perpendicular = - 1 : 6/5 = -5/6