### Home > CC4 > Chapter 2 > Lesson 2.2.2 > Problem2-64

2-64.

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

• See the Math Notes box in Lesson 2.1.4.

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