Dilation or Reduction

Does the image show a dilation?

• Yes

• No

Dilations only enlarge figures.

• True

• False

When a dilation has a scale factor greater than one, the dilation is an enlargement.

• True

• False

Dilate Point B by a scale factor of 1/2

• (1.5,-4)

• (-1.5,1)

• (-1,-1.5)

• (-2,-2)

What scale factor was used to produce the image?

• 2

• -2

• ¹/₂

• 1

When the scale factor of a dilation is less than one, the dilation is a reduction.

• True

• False

A dilation is which of the following: 

• only an enlargement

• only a reduction

• Either an enlargement or a reduction

• Neither an enlargement or a reduction

In a dilation what mathematical operation is used with the scale factor?

• addition 

• subtraction 

• multiplication 

• division 

Dilate Point B by a scale factor of 3:

• (12,0)

• (12,12)

• (4,3)

• (0,12)

What is Dilation?

• Dilation means to enlarge or reduce

• Dilation means to reflect on something

• Dilation means to like something

• Dilation means to make something different by making it smaller