(a)
The general equation of slop is;
[tex]\frac{Rise}{run}=\frac{y_2-y_1}{x_2-x_1}[/tex]
From the given graph;
[tex]\begin{gathered} \frac{Rise}{run}=\frac{y_2-y_1}{x_2-x_1} \\ \frac{Rise}{run}=\frac{3-5}{4-0} \\ \frac{Rise}{run}=\frac{-2}{4} \\ \frac{Rise}{run}=\frac{-1}{2} \end{gathered}[/tex]
The rise = -1 and run = 2
Rise/run = -1/2
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(b)
The given graoh is;
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