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.Com
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.
RELATED QUESTIONS

Determine which TWO equations represent perpendicular lines. (1) y = 2x - 9 or (2) y =... (answered by venugopalramana)
Determine which two equations represent perpendicular lines. (a) y=2/9x-3 (b)... (answered by funmath)
I am so confused...need help please! Determine which two equations represent... (answered by josmiceli)
How Do I determine which two equations represent perpendicular lines. (a) y = 2x – 9 (answered by bucky)
Determine which two equations represent parallel lines. (a) y = 2x – 6 (b) y = –2x + 6 (answered by jim_thompson5910)
Determine which two equations represent parallel lines. (a) y = 2x – 6 (b) y = –2x (answered by checkley71)
Please help. Determine which two equations represent parallel lines (A) y = -2x + 5 (answered by jim_thompson5910)
Determine which two equations represent perpendicular lines. a) y = 1/9 x + 3 b) (answered by scott8148)
Determine which two equations represent parallel lines. (a) y = 9x – 9 (b) y = –9x + 9 (answered by jim_thompson5910)