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

[runlemmingsrun]

Please find the equation for :

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


thanks

 

[skeeter]

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

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