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    iloveyaa's Avatar
    iloveyaa Posts: 1, Reputation: 1
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    #1

    Oct 7, 2007, 08:52 AM
    Writing an Equation of a Line
    parallel to the line y=4x+1, and that passes through points (2,3).
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #2

    Oct 7, 2007, 09:30 AM
    What seems to be the trouble?

    If lines are parallel, then the slopes are the same. You are given the slope, m.

    Just use your x and y values in y=mx+b to find b and you're done.
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    terryg752's Avatar
    terryg752 Posts: 197, Reputation: 4
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    #3

    Oct 8, 2007, 03:49 PM
    Quote Originally Posted by iloveyaa
    parallel to the line y=4x+1, and that passes through points (2,3).
    Actually, it is very very simple.

    All lines parallel to the given are: y = 4x + K

    This passes through (2, 3): 3 = 8 + k
    So k = -5

    Hence: y = 4x -5
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