(The slope of the line perpendicular to y = -x + 5 is supposed to be 1.)
Step-by-step explanation:
The slope of a line that is perpendicular to another line is:
, where m is the slope of the line.
The slope of a line perpendicular to the line y = -x + 5 will be:
![m = -( -1^-^1)](/tpl/images/0643/4281/183b1.png)
![m = 1](/tpl/images/0643/4281/5efda.png)