anonymous
  • anonymous
Point A is at -1,321 and point b is located at 517. What is the distance from either endpoint to the midpoint. I have my answer I wanna check if its right
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
@mathstudent55
anonymous
  • anonymous
@jim_thompson5910
anonymous
  • anonymous
@timo86m

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anonymous
  • anonymous
@Hero
anonymous
  • anonymous
@some_someone
jim_thompson5910
  • jim_thompson5910
what are the two points and what is your answer?
anonymous
  • anonymous
The 2 points are A -1,321 and B 517. My answer is 919
jim_thompson5910
  • jim_thompson5910
how is point B 517?
jim_thompson5910
  • jim_thompson5910
it should be an ordered pair
jim_thompson5910
  • jim_thompson5910
points are of the form (x,y)
anonymous
  • anonymous
No the question issnt asking for ordered pairs. It's a line with points so it'll be like|dw:1379387454390:dw|
anonymous
  • anonymous
and then its asking for the distance from either endpoint to the midpoint
jim_thompson5910
  • jim_thompson5910
oh it's on a number line, i see
anonymous
  • anonymous
yes it is
jim_thompson5910
  • jim_thompson5910
I thought when you wrote out A -1,321 you meant (-1,321) or something
anonymous
  • anonymous
oh no!
jim_thompson5910
  • jim_thompson5910
the distance from A -1,321 and B 517 on the number line is found by subtracting 517 - ( -1321) 517 + 1321 1838
jim_thompson5910
  • jim_thompson5910
so the distance from A to B is 1838 units
jim_thompson5910
  • jim_thompson5910
cut that distance in half to get your answer
anonymous
  • anonymous
Correct.Okay, when I divide it by 2 I get 919
jim_thompson5910
  • jim_thompson5910
yep
anonymous
  • anonymous
What would the midpont be?
anonymous
  • anonymous
*midpoint
jim_thompson5910
  • jim_thompson5910
add the two values, then divide by 2 to get the midpoint
anonymous
  • anonymous
oh, so instead of subtracting like we did here, we add!1 ohhhhh
jim_thompson5910
  • jim_thompson5910
yep, that's correct because the formula is M = (x1+x2)/2
anonymous
  • anonymous
Okay, I have another question if you dont mind
anonymous
  • anonymous
What would the midpoint of Line AB is at -421 and A is at 32?
anonymous
  • anonymous
I got 194.5 but im not sure
jim_thompson5910
  • jim_thompson5910
good, but it's negative
jim_thompson5910
  • jim_thompson5910
since -421 is a much bigger number in the negative direction
anonymous
  • anonymous
but before we were taught that we would always put the absolute value of that number
jim_thompson5910
  • jim_thompson5910
hmm you're probably thinking distance and not midpoint
anonymous
  • anonymous
yeahhh! oh so when finding the midpoint the number COULD be negative, correct?
jim_thompson5910
  • jim_thompson5910
yes midpoints can easily be negative
anonymous
  • anonymous
okay, thank you:) i appreciate it
jim_thompson5910
  • jim_thompson5910
you're welcome

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