No real way to tell, because the diagram is not given.
1 is the slope. As you can see it goes up 1 and over one to the right.
Y-13 because it’s less than y so it’s subtracting from the y
Step-by-step explanation:
-10= -10+7m
-10+10=7m
0=7m
m=<u>0</u>
<u> </u><u> </u><u> </u><u> </u><u> </u>7
m=0
hope it helps.