Answer:
See below
Step-by-step explanation:
The origin is the middle.
1. Proportional.
2. Non-proportional.
3.Non-proportional.
4.Non-proportional.
5.Proportional.
6.Proportional.
7.Non-proportional.
8.Proportional
9.
6/1=6, 12/2=6, 18/3=6, 24/4=6. Proportional.
10.
3/1=3,6/2=3,9/3=3,12/4-3. Proportional.
11.
120/10=12, 220/20=11,320/30=32/3=10.6667…, 420/40=10.5. Non-proportional.
12.
60/1=60,120/2=60,240/4=60,360/6=60. Proportional.
Hope that helps! :)