# How do you find the slope of (0,-1); (4,7) without a graph?

Jun 26, 2018

$\text{slope } = 2$

#### Explanation:

$\text{to calculate the slope m use the "color(blue)"gradient formula}$

•color(white)(x)m=(y_2-y_1)/(x_2-x_1)

$\text{let "(x_1,y_1)=(0,-1)" and } \left({x}_{2} , {y}_{2}\right) = \left(4 , 7\right)$

$m = \frac{7 - \left(- 1\right)}{4 - 0} = \frac{8}{4} = 2$