For this question, we need to calculate the slope
For G
[tex]\begin{gathered} m=\frac{-3+2}{2+2} \\ m=\frac{-1}{4} \end{gathered}[/tex]
For R
[tex]\begin{gathered} m=\frac{5-1}{3-2} \\ m=\frac{4}{1} \end{gathered}[/tex]
For B
[tex]\begin{gathered} m=\frac{5-0}{1-0} \\ m=5 \end{gathered}[/tex]
R is perpendicular to B
