persamaan garis melalui (-1,2) bergradien - 4/3 adalah

jawab

m = -4./3
x1,y1 = (-1, 2)

y  - y1 = m (x - x1)
y - 2  = - 4/3 (x  + 1)
3( y- 2) = - 4(x + 1)
3y - 6 = - 4 x- 4
4x + 3y - 6 + 4=  0
4x + 3y - 2 = 0