Properties of Dilations

If the scale factor is greater than one, the new figure will be

• reduction

• enlargement

• scale

• not proportional

If the scale factor is less than one, the new figure will be

• an enlargement

• a reduction

• a scale factor

• bigger

What is the scale factor?

• 4

• 25

• 5

• 6

What is the scale factor from the small fry to the large fry?

• 1/3

• 48

• 4

• 3

What is the scale factor from ΔDEF to ΔABC?

• 1/2

• 7/3

• 2

• 10/3

First, identify the old and new image. Now, did the triangle get bigger or smaller?

• The triangle got smaller

• The triangle got bigger

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

• Enlarge

• Reduce

• None of the above

Scale Factor of 5 is _________________ .

• Reduction

• Enlargement

Dilations do not produce congruent images but ________ images.

Dilations increase or decrease side lengths by a __________.