SOLUTION: Two perpendicular lines intersect on the x-axis. If one line has the equation y = 2/3x + 6, then what is the equation of the other line? Answer in general form

Algebra ->  Linear-equations -> SOLUTION: Two perpendicular lines intersect on the x-axis. If one line has the equation y = 2/3x + 6, then what is the equation of the other line? Answer in general form      Log On


   

Question 1091908: Two perpendicular lines intersect on the x-axis. If one line has the equation y = 2/3x + 6, then what is the equation of the other line? Answer in general form
Answer by josgarithmetic(39626) About Me  (Show Source):
You can put this solution on YOUR website!
Where on the x-axis do they intersect?

%282%2F3%29x%2B6=0
x%2B%283%2F2%296=0
x%2B9=0
x=-9
Intersect at (-9,0).

Other line is perpendicular to given line.
y=%28-3%2F2%29x%2Bb
b=y%2B%283%2F2%29x
b=0%2B%283%2F2%29%28-9%29
b=-27%2F2
-
highlight%28y=-%283%2F2%29x-27%2F2%29


graph%28300%2C300%2C-10%2C4%2C-6%2C7%2C%282%2F3%29x%2B6%2C-3x%2F2-27%2F2%29