Ok. This is called a Coordinate Plane (aka line plots). Your teacher is asking to find the number on those plots.
You have your X and Y axis.
You go over to X before going to Y
So I work my way up so your first one is
1,2
Second is
-2,4
Third is
2,6
and the last one (the top plot)
1,8
Hope this helped!
Brainiest please!