Answer:
9: No
10:Yes
11: Yes
12: No
13: No
14: No
Step-by-step explanation:
The blue shaded area is where the solution is and since the line is dotted like that anything on the line is not a solution
So doing this we see that (-1,3),(1,4) are the only solutions and the others are not
I hope this helps please let me know fi you have further questions
