Answer: 0
Explanation:
To find the slope of a line it's y2-y1/x2-x1
In this case, the equation would look like this:
5-5/5-0
Now simplify it.
5-5=0
5-0=5
0/5
0/5 = 0
And there you have it! The slope of your line is 0.
Hope this helps!
Let me know if you need anything else :)