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Math Help - slope between points

  1. #1
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    Exclamation slope between points

    I need a few problems solved. It's making me (My program) do one problem at a t ime and I can't move on until it's done but if I don't have these done I am going to fail : (

    Find the slope if the pairs are: (8, -2) (9, 2)
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  2. #2
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    m = \frac{y_1 - y_2}{x_1 - x_2}

    do it.
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  3. #3
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    How would I solve something like:
    -2x+2y=16 same thing as before
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  4. #4
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    solve what?

    -2x + 2y = 16 has an infinite number of solutions for x and y.
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