NY,NY
  • NY,NY
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.
Mathematics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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theEric
  • theEric
Well, just algebraically you can see\[-2=-\frac{2}{1}=\frac{-2}{1}=\frac{2}{-1}\]
theEric
  • theEric
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.
NY,NY
  • NY,NY
oh, so if the rise is a whole number and it is negative, the run will be positive

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theEric
  • theEric
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.
NY,NY
  • NY,NY
yeah I get it :)
NY,NY
  • NY,NY
oh wait, say the slope is -2/3 then is the rise is negative and the run positive?
theEric
  • theEric
|dw:1349127841419:dw|
NY,NY
  • NY,NY
yeah, that's how I graphed mine. Thanks for that :D
theEric
  • theEric
|dw:1349127864880:dw| I started drawing the picture, so I decided to finish. I'm glad you've got it! Thank you!
NY,NY
  • NY,NY
thank me? thank you! :D you're very helpful.
theEric
  • theEric
Haha, I'm glad I could be of service :) Take care! Good luck, too!
theEric
  • theEric
And thank you :)
NY,NY
  • NY,NY
sure :D

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