NAME
DATE
1-3
PERIOD
Practice
Locating Points and Midpoints
Use the number line to find the coordinate
of the midpoint of each segment.
P
–10
−−−
2. QR -4
−−
1
4. PR -5 −
−−
1. RT 1
−− 1
3. ST 2 −
2
Q
–8
–6
R
–4
S
–2
T
0
2
4
6
Geo-SG01-03-08-846589
2
Find the coordinates of the midpoint of a segment with the given endpoints.
5. K(-9, 3), H(5, 7)
6. W(-12, -7), T(-8, -4)
(-2, 5)
(-10, -5.5)
−−
Find the coordinates of the missing endpoint if E is the midpoint of DF.
7. F(5, 8), E(4, 3)
8. F(2, 9), E(-1, 6)
D(3, -2)
9. D(-3, -8), E(1, -2)
D(-4, 3)
F(5, 4)
Use the number line to find the coordinate
of the point the given fractional distance
from A to B.
1
11. −
-3
3
3
15. −
5
0.2
1
12. −
-4.6
5
2
16. −
3
1
A
-8 -7 -6 -5 -4 -3 -2 -1 0
1
13. −
-5
6
5
17. −
6
B
3
1
2
3
4
5
6
Lesson 1-3
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
10. PERIMETER The coordinates of the vertices of a quadrilateral are R(-1, 3), S(3, 3),
T(5, -1), and U(-2, -1). Find the perimeter of the quadrilateral. Round to the
nearest tenth. 19.6 units
1
14. −
-4
4
P21-001A-890857
3
18. − 2
4
−−−
Find P on NM that is the given fractional distance from N to M.
( 14 )
3
, N(1, 7), M(9, -2) 7, −
19. −
4
2
, N(-3, -4), M(6, 3)
21. −
5
(0.6, -1.2)
4
20. −
, N(-4, 5), M(2, -6) (0.8, -3.8)
5
1
22. −
, N(-4, 2), M(7, 9)
3
(- −13 , 4 −13 )
Refer to the graph at the right.
y
−−
23. Find C on AB such that the ratio of AC to CB is 1:2.
4
(- −23 , - −13 )
2
−−
24. Find C on AB such that the ratio of AC to CB is 4:3.
11
(1, −
7)
Chapter 1
021_GEOCRMC01_715477.indd 21
B
-4
-2
O
2
4x
-2
A
21
P21-002A-890857
Glencoe Geometry
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