Dilations Recap

The ________ is an unmovable (fixed) point that a dilation expands from or shrinks towards.

• Center of Dilation

• Scale Factor

• Center of Rotation

• Line of Reflection

If a figure has a side length that is 12 units long and is dilated such that the side length of the image is 24 units long, what is the scale factor?

• 1/2

• 12

• 2

• 6

Dilations only enlarge figures.

• True

• False

A scale factor of 1/2 reduces a figure.

• True

• False

A dilation creates a similar figure.

• True

• False

If a line segment has a length of 12 units and after a dilation the image length is 4 units, what was the scale factor?

• 3

• 1/3

• 8

The __________ is the ratio of a length of the new figure to the corresponding length on the original figure.

• reduction

• enlargement

• scale factor

• center of dilation

A dilation can produce a smaller figure also known as a ______

• reduction

• enlargement

• scale factor

• center of dilation

 A dilation can produce a larger figure also known as a ______

• reduction

• enlargement

• scale factor

• center of dilation

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

• 1/2

• 2

• 10

• 1