anonymous
  • anonymous
determine the slope of a line (0, -15) and (-2,4)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
how do we do this please explain.
anonymous
  • anonymous
slope = m = (y2-y1)/(x2-x1) your points (0,-15)-->(x1,y1) (-2,4)-->(x2,y2)
anonymous
  • anonymous
slope can also be defined as rise / run or the change in y over the change in x

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anonymous
  • anonymous
using the above formula for slope, with those points for the x1, y1, x2, y2 you should come to the answer just fine
anonymous
  • anonymous
19/-2=-9.5=ans. this can be used to check your answer
anonymous
  • anonymous
how did you get that?
anonymous
  • anonymous
are you serious? I just completely explained to you.. just think a little, read what I have wrote and you should be fine
anonymous
  • anonymous
yes but i don't get how we divide which numbers by which.
anonymous
  • anonymous
okay so if you are given a point. which one is x and which one is y (#,#)?
anonymous
  • anonymous
(x,y) right?
anonymous
  • anonymous
oh wait i think i get it.
anonymous
  • anonymous
you are given 2 x's and 2 y's
anonymous
  • anonymous
rise / run = slope; rise = difference in y run = difference in x
anonymous
  • anonymous
difference --> subtraction just make sure if you put y1 in front on top you put x1 in front on bottom
anonymous
  • anonymous
or vice versa it doesn't matter.
anonymous
  • anonymous
Oh thanks a lot bud! I really appreciate it!

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