Respuesta :

The intercept form of the equation is
  x/x-intercept +y/y-intercept +z/z-intercept = 1
If you divide by 12, the equation can be written in intercept form as
  x/3 +y/2 +z/6 = 1

The 1st selection is appropriate:
  (3, 0, 0), (0, 2, 0), (0, 0, 6)