Question

What is the slope of the line passing through the points (−3, 4) and (2, −1) ?

A. 3/5

B. -5/3

C. 1

D. -1

Answer 1

`\text{The formula of a slope:}\\\\m=(y_2-y_1)/(x_2-x_1)\\\\\text{We have the points}\ (-3,\ 4)\ \text{and}\ (2,\ -1).\ \text{Substitute}\\\\m=(-1-4)/(2-(-3))=(-5)/(5)=-1\to\boxed{D.}`