8.2.b: Dilations

Front

What is the center of dilation?

Back

Fixed point

Front

How do dilations affect the size of figures?

Back

Enlarging or reducing proportionally

Front

True or False: Dilations preserve angles.

Back

True

Front

What is the term for the figure before a transformation occurs?

Back

Pre-image

Front

Does a dilation produce a congruent figure?

Back

False

Front

What is the effect of a dilation with a scale factor greater than 1?

Back

The figure is enlarged.

Front

What is the effect of a dilation with a scale factor less than 1?

Back

The figure is reduced.

Front

What is the relationship between the pre-image and the image in a dilation?

Back

The image is a scaled version of the pre-image.

Front

What is a scale factor in the context of dilations?

Back

A number that describes how much the figure is enlarged or reduced.

Front

What happens to the distances between points in a figure during a dilation?

Back

Distances are multiplied by the scale factor.