These are the points involved:

So the slope is:

`m=(y_2-y_1)/(x_2-x_1` `=(-5-(-1))/(2-(-4)` `=(-4)/6` `=-2/3`

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

`=(-5-(-1))/(2-(-4)`

`=(-4)/6`

`=-2/3`

Note the slope is negative. The line is going "down hill" as we move left to right.