Question 827795
The slope a perpendicular line is the negative reciprocal of -1 which is 1.
Use y=mx+b as a template. m=1. for the point(-2,-2), x=-2,y=-2
-2=(1)(-2)+b
-2=-2+b
ads 2 to each side
0 = b
So our equation is y = (1)x + 0 
or y=x