## Intermediate Algebra (12th Edition)

$slope=\frac{9}{5}$
To calculate the slope between points $(x_1,y_1)$ and $(x_2,y_2)$, we use the formula: $slope=m=\frac{y_2-y_1}{x_2-x_1}$ We use the two points from Exercise 98, $(0,32)$ and $(100,\ 212)$: $slope=\displaystyle \frac{212-32}{100-0}=\frac{180}{100}=\frac{9}{5}$