Starting at the point $\displaystyle{\left(-{4},-{3}\right)}\usepackage{cmbright}\Huge\$ , move one unit up and then three units to the right to get to the point $\displaystyle{\left(-{1},-{2}\right)}\usepackage{cmbright}\Huge\$ . The rise is 1 and the run is 3.

$\displaystyle{s}{l}{o}{p}{e}=\frac{{{r}{i}{s}{e}}}{{{r}{u}{n}}}=\frac{{1}}{{3}}\usepackage{cmbright}\Huge\$