SOLUTION: 1. By looking at two linear equations, is there a way you can you tell if the corresponding lines are parallel?

Question 227768: 1. By looking at two linear equations, is there a way you can you tell if the corresponding lines are parallel?
Answer by drj(1380) (Show Source): You can put this solution on YOUR website!
By looking at two linear equations, is there a way you can you tell if the corresponding lines are parallel?

Step 1. Two lines are parallel when they have the same slope, say m.

Step 2. So the two linear equations should be in slope-intercept form given as y=mx+b where m is the slope and b is the y-intercept when x=0 or at point (0,b).

Step 3. Example: y=2x+3 and y=2x-9. These two line are parallel since the slope is m=2.

I hope the above steps were helpful.

For free Step-By-Step Videos on Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra or for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.

And good luck in your studies!

Respectfully,
Dr J

drjctu@gmail.com

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