please help it's due today, And please if you don't know the answers don't put any links or apps. And if you do know the answer plz help me.I'll mark as brainliest

Answer:
1) Yes
2) No
3) Yes
4) No
5) No
6) Yes
7) Yes
8) No
Step-by-step explanation:
Each equation must be increasing or decreasing by a constant amount in order for it to be linear. Graphing these equations, you can see that the linear equations will be a straight line.