[tex]\textbf{Heya !}[/tex]
use the slope-formula:-
[tex]\sf{\cfrac{y2-y1}{x2-x1}}[/tex]
put-in the values
[tex]\sf{\cfrac{-2-1}{1-(-3)}}[/tex]
[tex]\sf{\cfrac{-3}{1+3}}[/tex]
[tex]\sf{\cfrac{-3}{4}[/tex]
[tex]\sf{-\cfrac{3}{4}}[/tex]
`hope it's helpful to u ~
