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. 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

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

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

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

17. Reflections by Mira Worksheet

18. Homework Reflections Worksheet