Answer:
Step-by-step explanation:
The slope of a line given two points can be found by using the formula
[tex]m = \frac{ y_2 - y _ 1}{x_ 2 - x_ 1} \\[/tex]
From the question we have
[tex]m = \frac{7 - - 1}{ - 1 - 3} = \frac{8}{ - 4} = - \frac{8}{4} = - 2 \\ [/tex]
We have the final answer as
Hope this helps you