SOLUTION: This is actually supposed to be a formula but what are the formula's for the distance formula on a (xy) Plane ( 2D, and the Midpoint formula on a (x,y) plane, (2d) . Is it the same

Question 147196: This is actually supposed to be a formula but what are the formula's for the distance formula on a (xy) Plane ( 2D, and the Midpoint formula on a (x,y) plane, (2d) . Is it the same formula on a number line?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Distance formula where

and

are the two points.

Midpoint Formula:

Find x-coordinate of midpoint

Find y-coordinate of midpoint

So the midpoint between the points

and

These formulas work on the number line as well. Just make each y-coordinate equal to zero. So if you want find the distance between 4 and 10. Think of them as the points (4,0) and (10,0) and find the distance between the two points. Although, you can simply subtract 4 from 10 to get 6 (which is the distance).
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