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-   -   Parallel Lines (https://www.askmehelpdesk.com/showthread.php?t=59066)

  • Jan 31, 2007, 04:32 PM
    TeeBoogie
    Parallel Lines
    I want to know how to find a slope of a line parallel to a graph of an equation. I know how to write out the problems;) , I know how to show all the work;), I just do not know how to graph it:mad: Please help!
  • Jan 31, 2007, 11:20 PM
    Capuchin
    A parallel set of lines are lines that will never cross each other, even at infinity. (given euclidian geometry)

    The lines must be straight and therefore must always be equidistant.

    I don't really understand your question. The line will have the same slope as your first line, but a different y intercept.
  • Feb 1, 2007, 06:15 AM
    newb
    As Capuchin has said, the slopes are the same so compute the slope of the first line using your favorite two points on that line and then you're done.
  • Feb 2, 2007, 08:24 PM
    Fianchetto
    And to prove it (mechanically) for yourself, get some graph paperand a ruler. Line up one side of the ruler on a known slope (between any two points). Now draw a line on buth sides of the ruler (DON'T MOVE the ruler between drawing the two lines). Now count rise/run of each line. Lather, rinse, repeat until you are convinced that the slopes will always be the same for each pair of lines. ;)
  • Feb 14, 2007, 06:23 PM
    Amass18
    Well first a parallel line isn't a parallel line unless there 2 of them. After you figure out one it's the same slope as the other. To find the slope of one you put one of the Equations in the y=mx+b form where Y and X are points on the graph, M is slope and B is the y intercept

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