Answer:
[tex]\\ m=3[/tex]
Step-by-step explanation:
[tex]\\ m=\frac{y_2-y_1}{x_2-x_1}\\\\ m=\frac{2-(-1)}{0-(-1)}\\\\ m=\frac{2+1}{1}\\\\ m=3[/tex]
Hope this helps you. Have a nice night.