Question

Determine o coeficiente angular da reta que passa pelos pontos :
@)A(5,2) e B (-4,3)
@)A(-1,-6) e B ( 3,-4)

Answer 1

a)m= y2-y1/x2-x1

m= 3-2/-4-5
m= -1/9

b) m= y2-y1/x2-x1

m= -4+6/3+1
m= 2/4 (simplificando)

m=1/2