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NY,NY Group Title

M= Rise/ Run so if the slope is -2, the rise will be -2 and the run will be 1. Is the run positive or negative? I'm going to use this slope of an equation to graph and i want to know which direction the line will go.

  • one year ago
  • one year ago

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  1. theEric Group Title
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    Well, just algebraically you can see\[-2=-\frac{2}{1}=\frac{-2}{1}=\frac{2}{-1}\]

    • one year ago
  2. theEric Group Title
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    So if you have a negative rise (look at the third expression for an example) \[(\frac{-2}{1})\] then you have a positive 1 as your run.

    • one year ago
  3. NY,NY Group Title
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    oh, so if the rise is a whole number and it is negative, the run will be positive

    • one year ago
  4. theEric Group Title
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    As long as you let your rise be negative! :) You can actually work it out both ways, as long as just one of rise or run is negative. Look at -2/1. Then you go down 2, and right 1. Look at 2/-1. Then you go up 2, and left 1. It's just because they're opposite! -2 from 2, and 1 from -1, I mean.

    • one year ago
  5. NY,NY Group Title
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    yeah I get it :)

    • one year ago
  6. NY,NY Group Title
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    oh wait, say the slope is -2/3 then is the rise is negative and the run positive?

    • one year ago
  7. theEric Group Title
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    |dw:1349127841419:dw|

    • one year ago
  8. NY,NY Group Title
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    yeah, that's how I graphed mine. Thanks for that :D

    • one year ago
  9. theEric Group Title
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    |dw:1349127864880:dw| I started drawing the picture, so I decided to finish. I'm glad you've got it! Thank you!

    • one year ago
  10. NY,NY Group Title
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    thank me? thank you! :D you're very helpful.

    • one year ago
  11. theEric Group Title
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    Haha, I'm glad I could be of service :) Take care! Good luck, too!

    • one year ago
  12. theEric Group Title
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    And thank you :)

    • one year ago
  13. NY,NY Group Title
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    sure :D

    • one year ago
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