Very Important! Calling All Users

The equation of the line shown can be written as y=mx+b . Find mb .

Each grid square in the diagram shown is 1 unit by 1 unit.

 

https://latex.artofproblemsolving.com/b/d/0/bd08bc518dbb83cf8c97f7c15ea36bccabe836c9.png

 

Thank You!