Pre-Algebra Worksheet 8.7A: Translations and Rotations

1. SON Name ____________________________________________________ Date __________
LES
8.7 Practice409–413 A
For use with pages
Complete the statement.
1. In a 90° _____________ rotation, the coordinates (x, y) become (y, x).
2. In a 90° _____________ rotation, the coordinates (x, y) become (y, x).
3. A 180° rotation changes the coordinates from (x, y) to _____________.
Name the transformation shown in the graph.
4. 5. 6.
y y y
4 4 4
3 3 3
2 2
1 1 1
4x 4x 4x
O O O
1 2 3 1 2 3 1 2 3
4 3 2 4 3 2 4 3 2
2 2
3 3
4 4
Match the given transformation with the graph.
Lesson 8.7
8. translation (x, y) →
7. rotation 90° clockwise 9. rotation 180°
(x  1, y  1)
A. B. C.
y y y
4 4
3 3 3
2 2 2
1 1 1
4x 4x 4x
O O O
1 2 3 1 2 3 1 2 3
4 3 2 4 3 2 4 3 2
2 2 2
3 3 3
4 4 4
Graph TABC with vertices A(7, 3), B(4, 6), and C(1, 0). Then graph its
image after the given transformation.
10. Rotate 90° counterclockwise.
11. Translate using (x, y) → (x  2, y  3).
12. Rotate 180° then translate using (x, y) → (x  3, y  1).
13. Rotate 90° clockwise three times.
14. Translate using (x, y) → (x  1, y  2) then translate using
(x, y) → (x  4, y  3).
63
Middle School Math, Course 3
Copyright © McDougal Littell Inc.
All rights reserved. Chapter 8 Resource Book