1. Warm up Translate (x – 9, y + 8) 1.B (-9, 12) 2.A (-12, -4) 3.T (22, -19) B’ (-18, 20) A’ (-21, 4) T’ (13, -11)

2. Review Homework

3. Daily Check

4. Reflections

5. Reflections A reflection is a FLIP over a line.

6. Also a reflection has: The same DISTANCE from a central line. The same SIZE as the original image.

7. Reflect across the x-axis Change the sign of the y-value

8. Reflect across the x-axis

9. Reflect across the y-axis Change the sign of the x-value

10. Reflect across the y-axis

11. You Try! Reflect over the x-axis

12. You Try! Reflect over the y-axis

13. Reflect across the x-axis

14. Reflect across the y-axis

15. You Try! Reflect across the x-axis

16. You Try! Reflect across the y-axis

17. Identifying Transformation Identify the type of transformation

18. Identifying Transformation Identify the type of transformation

19. Identifying Transformation Identify the type of transformation

20. Identifying Transformation Identify the type of transformation

21. Lines of Symmetry When a shape is folded and the parts line up perfectly on top of each other, then the fold line is a LINE OF SYMMETRY

22. Lines of Symmetry How many lines of symmetry does the polygon have? 3

23. Lines of Symmetry How many lines of symmetry does the shape have? 2

24. Lines of Symmetry How many lines of symmetry does the shape have? 5

25. Reflections by Mira Worksheet

26. Homework Reflections Worksheet