1. Chapter 9 Vocab
Review

2. A(n) _____________ is an isometry in which all points of a figure move the same distance in the same direction.
translation

3. A(n) _____________ is a transformation in which the preimage and its image are congruent.
isometry

4. A(n) _____________ is a translation followed by a reflection in a line parallel to the translation vector.
glide reflection

5. A(n) _____________ of transformations is a combination of 2 or more transformations.
composition

6. A(n) _____________ is a change in position, shape, or size.
transformation

7. A(n) _____________ is an isometry in which a figure and its image have opposite orientations.
reflection

8. A(n) _____________ is an isometry that does not change orientation.
translation

9. A figure has _________ if there is an isometry that maps the figure onto itself..
symmetry

10. A figure has _________ symmetry or _________ symmetry if there is a reflection that maps the figure onto itself.
reflectional; line

11. A(n) _____________ is the new image after changes have been made.

12. A(n) _____________ is a transformation that proportionally reduces or enlarges a figure.
dilation

13. A(n) _____________ is the original image before any changes have been made.
preimage

14. Study hard so you’ll do well!
It’s your
LAST VOCAB QUIZ!!!
Study hard so you’ll do well!

15. A(n) _____________ is a repeating pattern of figures that completely covers a plane, without gaps or overlaps. This is also called (________).
tessellation; tiling