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

2. Reflections are easy!
You can do this.

3. Reflections
Don’t be scared!

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

5. Reflect across the x-axis

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

7. Reflect across the y-axis

8. Reflect across y = x
Swap x and y

9. Reflect across y = x

10. Reflect across y = -x
Swap and change both signs

11. Reflect across y = -x

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

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

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

15. Classwork Reflections by Hand #3 Worksheet Reflections with Mira #4 worksheet

16. Homework
Reflections & Translations #5