SOLUTION: (Can someone please help me with this question?, thanks) Determine whether the graphs of the given pair of lines are perpendicular. 5x=6 -5y=10 Are they perpendicular? yes

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Question 841590: (Can someone please help me with this question?, thanks)
Determine whether the graphs of the given pair of lines are perpendicular.
5x=6
-5y=10
Are they perpendicular?
yes
no
Found 2 solutions by ewatrrr, richwmiller:
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

  5x=6   0r  x = 6/5   Vertical Line (Blue)

 -5y=10  0r   y = -2   Horizontal Line (Green)

Are they perpendicular?  yes

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
The first x never changes so it is a vertical (up and down) line
The second y never changes so it is a horizontal (across) line
They are perpendicular.
See my lesson
http://www.algebra.com/my/Linear-equations-and-slopes%3ASpecial-Cases-Part-I.lesson?content_action=show_dev