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anonymous

  • 5 years ago

find the slope of the line perpendicular to each given line y=2x-1

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  1. anonymous
    • 5 years ago
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    Perpendicular means it has a negative reciprocal of the slope you are given. The slope in this problem is 2 (the number in front of the x when you have y = ) so the negative reciprocal is -1/2 because 2 is like 2/1

  2. anonymous
    • 5 years ago
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    but why is it not just 1/2

  3. anonymous
    • 5 years ago
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    because it is always the negative of that or the opposite of that....

  4. anonymous
    • 5 years ago
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    If you really understand graphs and can visualize two graphs that meet at 90 degree angles, you should be able to see that one of the lines needs to be a positive slope and one of them needs to be a negative slope.

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