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

    Mar 9, 2009, 05:13 PM
    algebra work that i need to do.
    find the standard form of the equation of the line that passes through the points (-1,9) and (-7,-3)
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #2

    Mar 9, 2009, 05:31 PM
    First find the slope, m. I assume you can do that from the given coordinates?

    Next, set up .

    Plug in either of your points for x1 and y1. You already figured out m.

    Then, simplify and rewrite it in standard form.
    lunden's Avatar
    lunden Posts: 3, Reputation: 1
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    #3

    Mar 9, 2009, 05:40 PM
    -1.1x-4=0.08
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    lunden Posts: 3, Reputation: 1
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    #4

    Mar 9, 2009, 05:42 PM

    -1.1x-4=0.8 what's the equation?
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