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Exploring Dilation

Author:DANA D
Topic:Dilation

Exploring dilation:

In this activity you will explore how the image enlarges or shrinks Follow the steps and the instructions given for each question and write down the properties of dilation.

1) When 0< K < 1

slide K to a any value between 0 and 1.For example =0.5. Compare the preimage and the iamge. What happens to the image?

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

2) When K=1

Slide K=1 . Compare the pre image and the image.What do you notice?

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

3) When K >1

Slide k to any value greater than 1 .For example k=1.5. Compare the pre image and the image.What happens to the image?

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

4) Finding the scale factor K

Slide K to any value. Find K, What do you notice about them all?

Check my answer

5) Finding scale factor, K, using the ordered pairs

Slide K=2 What are the coordinates of A, B, A' and B'. How can you find the scale factor using the ordered pairs?

Check my answer

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