You can use the slope formula or just calculate

So for the first problem you run 3 units right and rise 5 units so

2. Notice the y axis goes by 2 units.

3.

4.

Please let me know if you have questions
Answer:
I believe the answer is The constant of variation is y is 6 when x is 2.
C. Obtuse hope this helps (lmk if you get it right)
Y=1/5x-2
Hope this helped :)