SOLUTION: Determine which two equations represent perpendicular lines. (a) y = 2x – 9 (b) y = 1/2 x + 9 (c) y = – 1/2 x + 9 (d) y = 1/2 x – 9
Algebra
->
Coordinate Systems and Linear Equations
->
Linear Equations and Systems Word Problems
-> SOLUTION: Determine which two equations represent perpendicular lines. (a) y = 2x – 9 (b) y = 1/2 x + 9 (c) y = – 1/2 x + 9 (d) y = 1/2 x – 9
Log On
Linear Solvers
Linear
Practice
Practice
Answers archive
Answers
Word Problems
Word
Lessons
Lessons
In depth
In
Click here to see ALL problems on Linear Equations And Systems Word Problems
Question 92284
:
Determine which two equations represent perpendicular lines.
(a) y = 2x – 9 (b) y = 1/2 x + 9
(c) y = – 1/2 x + 9
(d) y = 1/2 x – 9
Answer by
checkley71(8403)
(
Show Source
):
You can
put this solution on YOUR website!
A & C ARE PERPENDICULAR BECAUSE THEIR SLOPES (2 & -1/2 ) ARE NEGATIVE RECIPRICALS OF EACH OTHER.
(