SOLUTION: A line passing through (–9, –4) and (10, y) is perpendicular to a line with slope -19/12. Find the value of y.

Algebra ->  Linear-equations -> SOLUTION: A line passing through (–9, –4) and (10, y) is perpendicular to a line with slope -19/12. Find the value of y.       Log On


   

Question 980056: A line passing through (–9, –4) and (10, y) is perpendicular to a line with slope -19/12. Find the value of y.
Answer by josgarithmetic(39625) About Me  (Show Source):
You can put this solution on YOUR website!
%28y-%28-4%29%29%2F%2810-%28-9%29%29=%28y%2B4%29%2F19=m for the "line passing through" the two points.

Line perpendicular to that of slope -19/12 will have slope 12%2F19.

%28y%2B4%29%2F19=12%2F19
y%2B4=12
highlight%28y=8%29