SOLUTION: If the slope of line l is x, and the slope of line m is x+2, and l⊥m, what is x?

Algebra ->  Trigonometry-basics -> SOLUTION: If the slope of line l is x, and the slope of line m is x+2, and l⊥m, what is x?       Log On


   

Question 1144806: If the slope of line l is x, and the slope of line m is x+2, and l⊥m, what is x?
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
The description is that the two lines are perpendicular and therefore x%28x%2B2%29=-1.

x%5E2%2B2x%2B1=0
%28x%2B1%29%28x%2B1%29=0

highlight%28x=-1%29