Answer:
[tex]\huge\boxed{m=\dfrac{3}{2}=1.5}[/tex]
Step-by-step explanation:
The formula of a slope:
[tex]m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]
We have two points:
[tex](3,\ 4)\to x_1=3;\ y_1=4\\(1,\ 1)\to x_2=1;\ y_2=1[/tex]
Substitute:
[tex]m=\dfrac{1-4}{1-3}=\dfrac{-3}{-2}=\dfrac{3}{2}=1.5[/tex]
