The equations y = 5x and y= -1/5x+ 4 represent what types of lines?

Data Input
Slope m1 = 5
Slope m2 = -1/5
[tex]\begin{gathered} m1\cdot m2=5\cdot\frac{-1}{5} \\ \\ m1\cdot m2=-1 \end{gathered}[/tex]The lines would be perpendicular