Select the type of line below (solid or dashed).Plot two points on the line.Click on the side that should be shaded.

Okay, here we have this:
Considering the provided inequation, we are going to graph it, following the required steps, so we obtain the following:
1.
The line will be solid as long as there is an equal, and dashed when not, therefore for this case as the inequality has a lesser or equal then it will be solid.
2.