Question

If the slope is negative is the rise OR the run negative?

Answer 1

Either but not both.

Explanation:

If you have two points `(x_1, y_1)` and `(x_2, y_2)` on a line, then the slope `m` of the line is given by the formula:

`m =`rise`/`run`=(Delta y)/(Delta x)=(y_2 - y_1)/(x_2 - x_1)`

Suppose `m < 0`

If the rise is positive, then the run must be negative in order that
rise / run < 0.

If the rise is negative, then the run must be positive in order that
rise / run < 0.