SOLUTION: By looking at two linear equations, how can you tell that the corresponding lines are parallel?

Algebra ->  Linear-equations -> SOLUTION: By looking at two linear equations, how can you tell that the corresponding lines are parallel?      Log On


   

Question 297195: By looking at two linear equations, how can you tell that the corresponding lines are parallel?
Found 2 solutions by Fombitz, richwmiller:
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Put both lines in slope-intercept form (lowest terms).
If the lines are parallel, the slopes will be identical.

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
Slope intercept form is not necessary.Standard form ax+by=c
-a/b is the slope