Tulislah persamaan garis ( 2,6) dan (-1-4)

[tex] \frac{y- y_{1}}{ y_{2}- y_{1} } = \frac{x- x_{1} }{ x_{2}- x_{1} } [/tex]
(y - 6) / (-4 - 6) = (x - 2) / (-1 - 2)
(y - 6) / -10 = (x-2) / -3
-3 (y-6) = -10 (x-2)
-3y + 18 = -10x + 20
10x - 3y + 18 - 20 = 0
10x - 3y -2 = 0