anonymous
  • anonymous
Am I right on this?... To find the distance from two points in a graph I use the x1,y1 and x2,y2 formula?
Mathematics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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jim_thompson5910
  • jim_thompson5910
I think you are referring to this formula? \[\Large d = \sqrt{\left(x_{2}-x_{1}\right)^2+\left(y_{2}-y_{1}\right)^2}\]
anonymous
  • anonymous
but it looks like this...
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jim_thompson5910
  • jim_thompson5910
ok you can use that formula above, or you can simply count out the spaces between the two points you can only count out the spaces if a) the points have the same x coordinate (one point is directly above the other) OR b)the points have the same y coordinate (the two points are on the same horizontal level)

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anonymous
  • anonymous
(-7,5) (-7,-3) the points do have the same x.
jim_thompson5910
  • jim_thompson5910
so you can count out the spaces between the points if you don't want to count out the spaces, you can subtract the coodinates that aren't the same (in this case, the y coordinates) take the absolute value to ensure the result is positive |5 - (-3)| = ??
anonymous
  • anonymous
(0,2) ??
anonymous
  • anonymous
Am i right?
jim_thompson5910
  • jim_thompson5910
no, the distance is going to be a single number
anonymous
  • anonymous
so 2
jim_thompson5910
  • jim_thompson5910
5 - (-3) is not equal to 2
anonymous
  • anonymous
i mean 7
jim_thompson5910
  • jim_thompson5910
the two negatives make a positive 5 - (-3) = 5+3 = 8
jim_thompson5910
  • jim_thompson5910
count it out: there are 8 spaces between the two points
anonymous
  • anonymous
i am horrible at math today.
anonymous
  • anonymous
thanks
jim_thompson5910
  • jim_thompson5910
you're welcome

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