The graph shown below represents which of the following equations ?

Question

$(a) \;y=\large\frac{3}{2} \normalsize x-6 \\(b)\;y=\large\frac{2}{3} \normalsize x-6 \\(c)\; y=\large\frac{3}{2} \normalsize x+6 \\(d)\;y=\large\frac{-2}{3} \normalsize x+6$