Posted by **Frustrated** on Wednesday, September 9, 2009 at 8:53am.

decide whether the pair of lines are parallel, perpendicular or neither?

2x + 3y =6

2x + 3y = 4

- algebra -
**Dr Russ**, Wednesday, September 9, 2009 at 9:03am
Arrange the equations into the form

y=mx+c and find m for both.

if m are equal then the lines are parallel (same gradient)

if they are m and -m then they are perpendicular

otherwise neither.

- algebra -
**Frustrated**, Wednesday, September 9, 2009 at 9:08am
I get neither.

- algebra -
**Dr Russ**, Wednesday, September 9, 2009 at 9:21am
What did the equations rearrange to? They need to be in form y=mx+c

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