Answer:
4:
[tex]3x + 6y = 12 \\ 6y = - 3x + 12 \\ y = - 0.5y + 2 \\ m = - 0.5 \\ b = 2[/tex]
5 :
NR:
N=(-2,3)
-2×-0.5+2=1+2=3✓
R=(2,1)
2×-0.5+2=1✓
