Answer
See below.
Work Step by Step
The slope of a line passing through $2$ distinct points $(x_1,y_1)$ and $(x_2,y_2)$ is:
$m=\frac{y_2-y_1}{x_2-x_1}$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.