Dilations

A dilation produces a similar figure

• True

• False

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

When the scale factor of a dilation is less than one, the dilation is a reduction (gets smaller).

• True

• False

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

An image is dilated at a scale factor of 1.5. This means the dilation is an enlargement and the dilated image will be bigger.

• True

• False

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

Choose the correct scale factor:

• 2
• 3
• 1/3
• 1/2

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

A dilation is which of the following:

• an enlargement

• a reduction

• Either an enlargement or a reduction

• Neither an enlargement or a reduction

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

Does the image show a Dilation?

• Yes
• No

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

If a line segment has a length of 12 units and after a dilation the image length is 4 units, what was the scale factor?

• 3
• 1/3
• 8

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

The "image" is the shape before the dilation.

• True
• False

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

The __________ is the ratio of a length of the new figure to the corresponding length on the original figure.

• reduction
• enlargement
• scale factor
• center of dilation

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

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

• addition 
• subtraction 
• multiplication 
• division 

Tags

CCSS.8.G.A.3