Question

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

Answer 1

`"slope "=2`

Explanation:

`"to calculate the slope m use the "color(blue)"gradient formula"`

`•color(white)(x)m=(y_2-y_1)/(x_2-x_1)`

`"let "(x_1,y_1)=(0,-1)" and "(x_2,y_2)=(4,7)`

`m=(7-(-1))/(4-0)=8/4=2`