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Question 1122901: are slope lines 1@2 which are 3 and -3 are they parallel.
Answer by Alex.33(110)   (Show Source):
You can put this solution on YOUR website! Sorry to say your description is fairly vague...I guess if this is not you intended it's better for you to restate your question and submit as a new question.
Lines with the same slope are parallel. That's a simple property directly derived from the defination of slope(of lines): delta(y)/delta(x), while delta refers to the increase/decrease of x and correspondingly, y.
Lines with different slopes are not parallel, like 2 lines with slope 3 and -3 are not parallel.
Hope this solves your problem. You can actually go to the lesson pages to make everything clear in your mind.
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