Need help with math *not clickbait*

if its slope
1. 4
2. -1
3. 1/3
4. -2
5. 5
6. -4
7. 13/3
8. -1/2
9. 3/7
10. -1/2
11. 5/3
12. -8/5 ?

okay I suggest check everything with a calculator just in case because I don't trust myself :|
deepest apologies if I was wrong on any of the questions

to find problems 4-12
formula-
(y2-y1) / (x2/x1 )
i just simplified everything to its simplest form

are you trying to find slope ?

Oop thought I was about to help but naaaaaaaaaaaw I remember this shit it’s cursed I pray for your success