Posted by **algebra need help** on Thursday, March 1, 2012 at 9:17pm.

Can someone please help. When graphing the equations y = 2x – 2, y = 2x, and y = 2x + 3, what observation can you make about the graphs. Can you make the same observation before graphing the lines? How? Thanks

- algebra -
**Steve**, Friday, March 2, 2012 at 10:52am
The lines are parallel.

the slope-intercept form of the equation y=mx+b gives the slope.

All of these lines are y=2x+b for b=-2,0,3. They all have the same slope, so they are parallel.

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