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Practice A

Transformations in the Coordinate Plane

Complete the statements.

1. A ____________________ is the movement of a figure from its original position

to a new position.

2. The ____________________ position is called the preimage. The new position

is called the ____________________.

3. A ____________________ (or flip) is a transformation across a line.

4. A translation (or ____________________) is a transformation in which all the

points of a figure move the same distance in the same direction.

5. A ____________________ (or turn) is a transformation about a point.

Match the number below each diagram with the name of the transformation

pictured. Then use arrow notation to describe each transformation.

6. rotation _______ 7. translation _______ 8. reflection _______

9. A figure has vertices at X(3, −3), Y(1, −2),

and Z(3, 0). After a transformation, the

image of the figure has vertices at

X′(−3, −3), Y′(−1, −2), and Z′(−3, 0).

Draw the preimage and the image.

Then identify the transformation. _______________

10. Draw and label the image of STUV

after the translation (x, y) → (x, y + 5).

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