[tex]\text{Slope = }\frac{change\text{ in y}}{change\text{ in x}}[/tex][tex]F\text{irst point on the graph (-1, -3) and the second point is (3, -5)}[/tex][tex]\begin{gathered} \text{change in y = -5-(-3)} \\ =-5+3 \\ =-2 \end{gathered}[/tex][tex]\begin{gathered} \text{change in x = 3-(-1)} \\ =3+1 \\ =4 \end{gathered}[/tex][tex]\begin{gathered} \text{slope = }\frac{-2}{4} \\ =-\frac{1}{2} \end{gathered}[/tex]
