Dilations

Front

What is Dilation?

Back

Dilation means to enlarge or reduce a figure.

Front

Choose the correct scale factor for enlargement: 2, 3, 1/3, 1/2

Back

2

Front

Identify the type of dilation for the scale factor k=1/2.

Back

Reduction

Front

Definition: The figure before a transformation has occurred.

Back

Pre-image

Front

A dilation with a scale factor k>1 is called what?

Back

Enlargement

Front

What is the scale factor for a reduction?

Back

A scale factor less than 1.

Front

What is the scale factor for an enlargement?

Back

A scale factor greater than 1.

Front

If a figure is dilated by a scale factor of 1, what happens to the figure?

Back

The figure remains the same size.

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 does it mean if a dilation is an isometry?

Back

The shape and size of the figure remain unchanged.