Answer:
Zero
Step-by-step explanation:
The formula for slope is y2-y1 over x2-x1
y2=second y point
y1=first y point
x2=second x point
x1=first x point
1 - 1
___
-3-5
0/-8
Since the number on top is zero the slope would be also. If the zero was on the bottom the slope would be undefined.
