Dilations Transformations

State the coordinate of the image of the given point B (4,9) under a dilation with center at the origin with the given scale factor of 2.

• B' (2 , 4.5)

• B' (-8 ,-18)

• B' (8 ,18)

• B' (9 ,4)

What scale factor was used to produce the image?

• 2

• -2

• ¹/₂

• 1

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

• addition 

• subtraction 

• multiplication 

• division 

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

• Yes, enlarge

• Yes, reduce

• No

Does the image show a Dilation?

• Yes

• No

Does the image show a Dilation?

• Yes

• No

If the scale factor is greater than 1, the dilation is (a)  

• an enlargement

• a rotation

• a translation

• a reduction

Does the image show a dilation?

• Yes

• No

Which transformation is demonstrated?

• Reflection

• Translation

• Rotation

• Dilation

a transformation that ​changes the size (enlargement or reduction) of a figure is called a ​ ​ ​ (a)  

• dilation

• rotation

• reflection

• translation