Question

Determine o valor de m para que os pontos jama alinhados A (5,m) B (1,2) C ( 3,-4)

Answer 1

M=y-y1/x-x1 = -4-1/3-1 =-5/2
M=-4-m/3-5= -5/2=-4-m/-2
10=2 (-4-m) resolvendo a equacao : m=-9 .