What is the slope of the line on the
graph?

[tex]\\ \sf\longmapsto Slope=m=\dfrac{2-4}{6-0}[/tex]
[tex]\\ \sf\longmapsto m=\dfrac{-2}{6}[/tex]
[tex]\\ \sf\longmapsto m=\dfrac{-1}{3}[/tex]