Answer:
-1!
Step-by-step explanation:
If you plot the points on a graph, use RISE/RUN! You will see that you go up 5, left 5. Since you went left, it's a negative slope. 5/5 is 1, so the answer is -1! I really hope this makes sense, but if you need help, Im here!
I included a graph if you need to see it!
