Question

Gradien garis dari x − 3y = − 6

Answer 1

Y = mx + c

x − 3y = − 6 
x + 6 = 3y
3y = x + 6 
y = x/3 + 6/3
y = 1/3 x + 2
Maka ; m = 1/3

Answer 2

Gradien
m =Δ u/Δy
jika x ada dikiri maka
m = -Δu /Δy
     = -1 /-3
     = 1/3