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Copyright © by Holt, Rinehart and Winston. 75 Holt MathematicsAll rights reserved.
Name Date Class
Practice ATranslations, Reflections, and Rotations8-10
LESSON
Identify the transformation. Choose the letter of the best answer.
Graph each translation.
Follow the directions to graph each transformation.
1.
translation
B reflection
C rotation
2.
A translation
reflection
C rotation
B
A
3. 2 units to the left and 4 units down 4. 3 units to the right and 2 units up
5. Reflect �EFG across the x-axis. 6. Rotate �XYZ 180° about the vertex X.
xO 4 6
4
2
2�2
�2
�4
�4�6
y
XZ
Y
xO 4 6
4
2
2�2
�2
�4
�4�6
y
EG
F
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22
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y
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22
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y
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22
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y
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22
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y
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ZO
Copyright © by Holt, Rinehart and Winston. 77 Holt MathematicsAll rights reserved.
Name Date Class
Practice CTranslations, Reflections, and Rotations8-10
LESSON
Identify each type of transformation.
Graph each translation.
Graph the reflection of each figure across the indicated axis. Write thecoordinates of the vertices of the image.5. x-axis 6. y-axis
1. 2.
3. 3 units to the right and 3 units down 4. 4 units to the left and 5 units up
7. Triangle KLM has vertices at K(1,�1), L(4, �1), and M(5, 1). Rotate�KLM 270° counterclockwise aboutthe vertex K.
x
4422 66666�6666 �44
y
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2222
444
x4422 66666�6666 �
y
E GFF
Ox
4422 66666�6666 �44 �22
y
4 2
JJ
LL
KKK
N
MM�����44
���KKKK 44
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O
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y
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Copyright © by Holt, Rinehart and Winston. 77 Holt MathematicsAll rights reserved.
Name Date Class
Problem SolvingTranslations, Reflections, and Rotations8-10
LESSON
5. What transformation of triangle 1created triangle 2?
A translation 3 units right and 1 unitdown
translation 8 units right and 1 unitdown
C rotation of 180° about the origin
D reflection across the y-axis
6. If you rotate triangle 2 90° clockwiseabout vertex D, what will be thecoordinates of the new triangle?
D�(3, 1), E�(7, 1), F�(3, �3)
G D�(3, 1), E�(3, �3), F�(7, 1)
H D�(3, 1), E�(�4, 1), F�(�3, 3)
J D�(3, 1), E�(�3, 3), F�(�7, 1)
7. If you reflect triangle 1 across thex-axis, what will be the coordinates ofthe new triangle?
A A�(5, 2), B�(5, 6), C�(1, 2)
B A�(�5, 0), B�(-5, �4), C�(�1, 0)
C A�(5, �2), B�(5, �6), C�(1, �2)
A�(�5, �2), B�(�5, �6), C�(�1, �2)D
xO 642
2
4
6
�2
�6 �4 �2
y
A C
B
F
E
D
12
F
B
Write the correct answer.
12
67 54839
21011112
67 54839
210111
Clock 1 Clock 2
Choose the letter for the best answer.
1. If you reflect the hands of clock 1across a line from 12 to 6, what timewill it show?
3. The hands on clock 1 show 7:00after a transformation of one hand.What was the transformation?
2. If you rotate the hour hand on clock 2by 90° clockwise, what time will it be?
4. The hands on clock 2 show 9:00after a transformation. Name 2different transformations that couldproduce this change.
TEKS 7.7.B