CPM Homework Help : GB8I Problem 2-64

Calculate the slope of the line that goes through the points $(−15, 70)$ and $(5, 10)$ .

Hint:

See the Math Notes box in Lesson 2.1.4.

More Help:

$\text{slope }= \frac{\Delta y}{\Delta x}=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$