Simple....
they gave you the slope and gave you coordinates on the line...
Plug n chug!
Using y=mx+b.... (6,1)--->> (Use the x and y intercept for your line)
1=\(\frac{1}{3} (6)+b\)
1=2+b
1=2+b
-2 -2
b=-1
y=\(\frac{1}{3} x-1\)
The equation of your line...
Thus, your answer.