Question

What is the slope of the line passing through `(10,-1);(-11,7)`?

Answer 1

`m=-8/21`

Explanation:

`P(1)=(10,-1)`
`x_1=10`
`y_1=-1`

`P(2)=(-11,7)`
`x_2=-11`
`y_2=7`

`"Slope: m=(y_2-y_1)/(x_2-x_1)`

`m=(7+1)/(-11-10)`

`m=-8/21`