SOLUTION: Find the value of k so that the line through (4,k) and (2,-3) is perpendicular to the line through (98,6) and (-8,-5)

Algebra ->  Linear-equations -> SOLUTION: Find the value of k so that the line through (4,k) and (2,-3) is perpendicular to the line through (98,6) and (-8,-5)      Log On


   

Question 1159701: Find the value of k so that the line through (4,k) and (2,-3) is perpendicular to the line through (98,6) and (-8,-5)
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
slope of first pair
%28k%2B3%29%2F4-2
%28k%2B3%29%2F2

slope of second pair
%286%2B5%29%2F%2898%2B8%29
11%2F106


Intended k value must conform to %28%28k%2B3%29%2F2%29%2811%2F106%29=-1; solve for k.