anonymous
  • anonymous
The distance between A (-4, 2) and B(4, 2) is.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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mathstudent55
  • mathstudent55
Did you try graphing the points?
mathstudent55
  • mathstudent55
There is a distance formula to find the distance between any two points on the coordinate plane, but if the points are on a horizontal line or on a vertical line, you don't need to use the formula, and you can still find the distance easily.
anonymous
  • anonymous
yeah i tried it and i got 64 then i tried breaking it down and i dont know how to get the answer. i get to choose from 4, 6 , and 8

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mathstudent55
  • mathstudent55
Just graph it as I suggested above.
pooja195
  • pooja195
\[\huge~\rm~\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\] did you use this?
anonymous
  • anonymous
yes
mathstudent55
  • mathstudent55
|dw:1437619162121:dw|
anonymous
  • anonymous
even if i graph it i dont know what im doing
mathstudent55
  • mathstudent55
See? The points are on a horizontal line, so the distance is simply the distance along the horizontal line the points lie in.
pooja195
  • pooja195
list your: x1=? x2=? y1=? y2=?
mathstudent55
  • mathstudent55
|dw:1437619236726:dw|
mathstudent55
  • mathstudent55
How far is it from -4 to 4 on the number line?
anonymous
  • anonymous
so is it 8
mathstudent55
  • mathstudent55
Correct.
mathstudent55
  • mathstudent55
@pooja195 wrote the distance formula. If the points do not lie on a horizontal or vertical line, you need to use it. If the points do lie on a horizontal or vertical line, you can still use it, but my way above is shorter.

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