SOLUTION: find the distance between the points (12,8) and (4,2) 1. 100 units 2. 14 units 3. 10 units 4. -10 units Find the midpoint of the points (3,1) and (7,-5) 1. (1,6) 2. (2,1

Question 428529: find the distance between the points (12,8) and (4,2)
1. 100 units
2. 14 units
3. 10 units
4. -10 units
Find the midpoint of the points (3,1) and (7,-5)
1. (1,6)
2. (2,1)
3. (2,-3)
4. (5, -2)

Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
Distance between two points
x1 y1 x2 y2
d=
12 8 4 2

d=
d=
d=
d= 10
...
If the coordinates of A and B are ( x1, y1) and ( x2, y2) respectively, then the midpoint, M, of AB is given by the following formula
M =

( 3 , 1 ) ( 7 , -5 )
M =

x= ( 3 + 7 )/ 2 y= ( 1 + 7 )/ 2
x= 5 y= 4

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