tulislah persamaan garis yang ditunjukan

x1=-1, y1=-4, x2=2, y2=6
(y-y1) / (y2-y1) = (x-x1) / (x2-x1)
(y-(-4) / (6-(-4) = (x-(-1) / (2-(-1)
(y+4) / 10 = (x+1) / 3
10(x+1) = 3(y+4)
10x + 10 = 3y + 12
10x - 3y + 10 - 12 = 0
10x - 3y - 2 = 0