Dilations

A dilation is which of the following: 

• only an enlargement
• only a reduction
• either an enlargement or a reduction
• neither an enlargement nor a reduction

Definition: The figure before a transformation has occurred. 

• Pre-image
• Image
• Translation
• Reflection

Definition: The figure after a transformation has occurred. 

• Pre-image
• Image
• Translation
• Reflection

A dilation always produces a congruent figure.

• True
• False

A dilation always produces a similar figure. Similar figures have the same ______ but different ______. 

• measure; shapes
• sizes; shapes
• value; measures
• shape; sizes

Did the image enlarge, reduce or none of the above?

• Enlarge
• Reduce
• None of the above

Does the image show a Dilation? If yes, did the image enlarge, reduce or none of the above?

• Yes, enlarge
• Yes, reduce
• No

What scale factor was used to produce the image?

• 2
• 3
• 1/3
• 1/2

What scale factor was used to produce the image?

• 1
• 7
• 18
• 49

What scale factor was used to produce the image?

• 2
• -2
• ¹/₂
• 1