Question

O coeficiente angular de ''m'' da reta que passa pelos pontos A(6,3) e B(4,2), é:

a) m: 1/2
b) m: -1/2
c) m: 2
d) m: -2
e) m: 1

Answer 1

coeficiente angular m = Δy / Δx
m = (y-yo)/(x-xo)
m = (2-3)/(4-6)
m = (-1)/(-2)
m = 1/2