On a number line, find the midpoint of a segment with the following endpoints:
A = -10 and B = 20
1) 10
2) 5
3) 12
4) 5.5

Question

On a number line, find the midpoint of a segment with the following endpoints:
A = -10 and B = 20
	1)	10
	2)	5
	3)	12
	4)	5.5

radar · Answer

-10-----------0----------------------20
midpoint ????

-10----------0-----5---------------20

distance from -10 to 20 on the number is 20-(-10) =30   mid point is 30/2=15
units from either end.

-10+15=5
20-15=5

Looks like it is a 5.  Choice 2).  Is that what you come up with also?