1. 4.5 Dilations
Dilation – A transformation in which a figure is enlarged or reduced with respect to a fixed point.
Scale Factor is the ratio of lengths of the corresponding sides of the image and the preimage.
Noted as k, if the scale factor is larger than 1 the preimage increases in size.  If k is between 0 and 1 the preimage id reduced in size.
0 < k < 1 Reduction
K > 1 Enlargement

2. 4.5 Dilations

3. 4.5 Dilations

4. 4.5 Dilations

5. Learning Check:
4.5 Dilations

6. In-Class Activity 
Big Ideas pg 212
8 Assigned Exercises 3-6, 15-18

7. Bellwork: Find the scale factor in simplest form.
4.5 Dilations

8. 4.5 Dilations

9. 4.5 Dilations

10. 4.5 Dilations

11. 4.5 Dilations

12. In-Class Activity Big Ideas pg 212 - 213
8 Assigned Exercises 19-22, 31-34