If the slope formula is \(\frac{ y_{1}- y_{2} }{ x_{1}- x_{2} }\) all you have to do is plug in the points:
\(\frac{0-2}{-4 -5}\) = \(\frac{-2}{-9}\) = \(\frac{2}{9}\)
or
\(\frac{2-0}{5-(-4)}\) = \(\frac{2}{9}\)
Either way your slope is going to be \(\frac{2}{9}\)