Non-Rigid Motion Review

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

• True
• False

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

• True
• False

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

• addition 
• subtraction 
• multiplication 
• division 

Similar figures have the same ______ but different ______. 

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

Dilate Point B by a scale factor of 3:

• (12,0)
• (12,12)
• (4,3)
• (0,12)

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

The "image" is the shape before the dilation.

• True
• False

What is the scale factor?

• 4
• .25
• 5
• 6

What is the scale factor from ABC to DEF?

• 2

• 3/2

• 2/3

• 1/2