Question

What is the slope of the line passing through `(2,9) ;(7,-2)`?

Answer 1

`- 11/5`

Explanation:

To find the gradient (slope) of a line passing through 2 points use the `color(blue)" gradient formula "`

`m = (y_2 - y_1)/(x_2 -x_1)`

where `(x_1,y_1)" and " (x_2,y_2)" are 2 coordinate points "`

let `(x_1,y_1) = (2,9)" and " (x_2,y_2) = (7,-2)`

then `m = (-2 - 9 )/(7 - 2 ) = -11/5`