Transformations Study Guide
Focus: Vocabulary & conceptual understanding (no computation)
1. Which of the following is a rigid transformation?
A. Dilation
B. Stretch
C. Rotation
D. Resize
2. What does it mean if two figures are congruent?
A. Same shape, different size
B. Same size and shape
C. Same perimeter only
D. Reflections of each other
3. Which transformations preserve side lengths and angle measure?
A. Reflections only
B. Dilations only
C. Translations, reflections, rotations
D. Translations and dilations
4. The original figure before a transformation is the:
A. Image
B. Copy
C. Preimage
D. Output
5. The resulting figure after a transformation is the:
A. Preimage
B. Image
C. Input
D. Original
6. Which transformation slides a figure?
A. Rotation
C. Translation
B. Reflection
D. Dilation
7. In a translation, what stays the same?
A. Orientation only
C. Shape and size
B. Location only
D. Direction only
8. A reflection is best described as:
A. A turn around a point
C. A flip over a line
B. A slide
D. A resize
9. After a reflection, the figure becomes a:
A. Larger copy
C. Rotated figure
B. Mirror image
D. Shifted figure
10. The line used to flip a figure is the:
A. Axis of movement
C. Line of symmetry
B. Line of reflection
D. Center of rotation
11. A rotation turns a figure around a:
A. Line
C. Point
B. Side
D. Edge
12. What information fully describes a rotation?
A. Angle only
C. Center of rotation, angle, direction
B. Direction only
D. Center and scale factor
13. Which transformation can change size?
A. Translation
C. Rotation
B. Reflection
D. Dilation
14. The number used in a dilation is the:
A. Ratio
C. Scale factor
B. Distance
D. Angle
15. If the scale factor is greater than 1, the image is:
A. Smaller
B. Same size
C. Larger
D. Reflected
16. Which statement about dilations is TRUE?
A. Angles are preserved, side lengths change
C. Figures are congruent
B. Side lengths preserved, angles change
D. It is rigid
17. A sequence of rigid transformations always produces figures that are:
A. Similar
B. Reflected
C. Congruent
D. Dilated
18. Translations, reflections, and rotations:
A. Change size
C. Reverse angles
B. Preserve shape and size
D. Create similar figures
19. Which transformation creates a mirror image?
A. Translation
B. Rotation
C. Reflection
D. Dilation
20. Which is NOT needed to describe a translation?
A. Direction
B. Distance
C. Angle of turn
D. Horizontal/vertical movement
21. A dilation changes the shape of a figure.
☐ True ☐ False
22. A dilation results in a ___________ polygon.
☐ congruent ☐ similar
23. Dilations are rigid transformations..
☐ True ☐ False