Find the co ordinates of a ,if a is the point of intersection of L, and the x axis. L is the line. x + y = 5
After I got the slope , -1 , I don't know what to do next it's the wording that's getting me I think.
I don't think finding the slope here is all that relevant.
To find where $\displaystyle L:x+y=5$ hits the x-axis just make $\displaystyle y = 0$
$\displaystyle L:x+0=5$
$\displaystyle L:x=5$ and as $\displaystyle y = 0$ at this point then
$\displaystyle a=(5,0)$