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Katarina [22]
3 years ago
12

A line segment on a number line has its endpoints at -9 and 6. Find the coordinate of the midpoint of the segment.. . A. 1.5. *

B. -1.5. C. 2. D. -3. . Find the coordinates of the midpoint of HX given that H(-1,3) and X(7,-1).. . A. (3,1). * B. (0,4). C. (-3,1). D. (-4,0). . please help!
Mathematics
2 answers:
Lyrx [107]3 years ago
4 0
By definition, the midpoint is given by:
 m =  (\frac{x1+x2}{2},  \frac{y1+y2}{2})

 Part A:
 For the line segment we have:
 m =  \frac{-9+6}{2}
 m=  \frac{-3}{2}
 m = -1.5
 Answer:
 
the coordinate of the midpoint of the segment is:
 
B. -1.5

 
Part B:
 
For line segment HX we have:
 m = (\frac{-1+7}{2}, \frac{3-1}{2})
 m = (\frac{6}{2}, \frac{2}{2})
 m = (3,1)
 Answer:
 
the coordinates of the midpoint of the segment is:
 
A. (3,1)
Ivan3 years ago
4 0
Add

-9 + 6 = -3 
Divide by 2

-1.5

2)  -1 + 7 = 6 / 2 = 3 ;  3 + -1 = 2 / 2 = 1

(3, 1)

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