Dilations

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

• True

• False

A dilation is which of the following:

• an enlargement

• 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 

If a dilation produces a congruent figure, then the scale factor was equal to _____.

• 1/2
• 2
• 10
• 1

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

 $\ 4\times\frac{3}{2}?\ \ \$  

• 6

• 3

• 12

• 1

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

How well do you understand dilations?

• 
• 
• 

A dilation produces a congruent figure

• True

• False