Dilations

A dilation is which of the following: 

• only an enlargement

• only 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 

State the coordinate of the image of the given point G (-10,-6) under a dilation with center at the origin with the given scale factor of 1/2.

• G' (5,3)

• G' (20,12)

• G' (-20,-12)

• G' (-5,-3)

What scale factor was used to produce the image?

• 2

• -2

• ¹/₂

• 1

What type of dilation is represented? blue to yellow

• Enlargement

• Reduction

What type of dilation is represented? Purple to orange

• Enlargement

• Reducton

What type of dilation is represented? blue to green

• Enlargement

• Reduction

What is the scale factor of this dilation?

• 2

• 4

The scale factor for this dilation is:

Mathematical Equivalence

ON

What type of dilation is represented? black to blue

• Enlargement

• Reduction