# need help finding line through (9, 8) with m = -1

#### runlemmingsrun

##### New member
Please find the equation for :

A line that passes through (9,8) and has a slope of -1.

thanks

#### skeeter

##### Senior Member
use the point-slope form of a linear equation ...
$$\displaystyle y - y_1 = m(x - x_1)$$

where ...
$$\displaystyle (x_1, y_1) = (9, 8)$$
$$\displaystyle m = -1$$