Question

What is the slope of the line through (-9,-6) and (3,-9)?

Answer 1

slope = -
`(1)/(4)`

Explanation:

Calculate the slope m using the slope formula

m =
`(y_(2)-y_(1) )/(x_(2)-x_(1) )`

with (x₁, y₁ ) = (- 9, - 6) and (x₂, y₂ ) = (3, - 9)

m =
`(-9+6)/(3+9)` =
`(-3)/(12)` = -
`(1)/(4)`