advertisement

Name _____________________________________ Class _____________ Date ____________ Chapter Test Chapter 9 Form A Find the coordinates of the vertices of the image of PQRS for each transformation. 1. reflection across 2. translation 3. rotation of about the point (0, 0) 4. dilation with scale factor centered at the origin 5. glide reflection with glide and reflection across x = 0 6. translation 6 units left and 3 units up What transformation has the same effect as each composition of transformations? 7. translation 8. translation followed by reflection across x = 2 followed by 9. reflection across x = 6 and then across x = 2 10. reflection across y = x and then across 11. Draw any centers of rotational symmetry or lines of symmetry on the tessellation. What type of symmetry does each figure have? 12. 13. Name _____________________________________ Class _____________ Date ____________ Chapter Test (continued) Chapter 9 Form A 14. List two letters of the alphabet that have each indicated symmetry. a. reflectional symmetry b. rotational symmetry 15. When you work a jigsaw puzzle, what transformations can you perform on the pieces? Explain your answer. You may draw sketches to support your written response. 16. A local brickyard features various shapes of bricks to be used in patios. To build a solid floor for your patio, which shape should you not purchase? A. regular pentagons B. squares C. regular hexagons D. equilateral triangles E. none of the above 17. Draw a tessellation using at least two different shapes. Describe your tessellation’s symmetries. Find the image of for a dilation with center (0, 0) and the given scale factor. 18. ; scale factor 3 19. ; scale factor 20. ; scale factor 6 21. ; scale factor A dilation maps to . 22. XY = 42 cm, YZ = 35 cm, and XZ = 56 cm. If sides and the scale factor. 23. XY = 15 in., YZ = 24 in., and XZ = 18 in. If sides and the scale factor. Find the image of each point under a , find the lengths of the other two , find the lengths of the other two rotation about the origin. 24. 25. 26. 27. (7, 2) 28. (1, 1) 29.