R runlemmingsrun New member Joined Sep 11, 2006 Messages 15 Sep 25, 2006 #1 Please find the equation for : A line that passes through (9,8) and has a slope of -1. thanks

skeeter Senior Member Joined Dec 15, 2005 Messages 2,396 Sep 25, 2006 #2 use the point-slope form of a linear equation ... \(\displaystyle y - y_1 = m(x - x_1)\) where ... \(\displaystyle (x_1, y_1) = (9, 8)\) \(\displaystyle m = -1\)

use the point-slope form of a linear equation ... \(\displaystyle y - y_1 = m(x - x_1)\) where ... \(\displaystyle (x_1, y_1) = (9, 8)\) \(\displaystyle m = -1\)