Question 915829
The line L passes through the point (-1,1) and is perpendicular to a line with a slope of -1. The equation of L is:
 y=1x+b 
What is the correct value for b?
-----
Substitute for x and y and solve for "b"::
1 = 1*-1 + b
b = 2
-----------
Cheers,
Stan H.
================