Dilations Intro

Front

What is a dilation in geometry?

Back

A dilation is a transformation that alters the size of a figure but keeps its shape the same.

Tags

CCSS.8.G.A.3

Front

What does a scale factor greater than 1 indicate?

Back

An enlargement of the figure.

Tags

CCSS.8.G.A.3

Front

What does a scale factor less than 1 indicate?

Back

A reduction of the figure.

Tags

CCSS.8.G.A.3

Front

If the scale factor is 1, what happens to the figure?

Back

The figure remains the same size.

Tags

CCSS.8.G.A.3

Front

What is the scale factor in a dilation?

Back

The ratio of the size of the image to the size of the original figure.

Tags

CCSS.8.G.A.3

Front

Is a scale factor of 2.5 an enlargement or a reduction?

Back

Enlargement.

Tags

CCSS.8.G.A.3

Front

True or False: A scale factor of 1/2 reduces a figure.

Back

True.

Tags

CCSS.8.G.A.3

Front

What is the result of a dilation with a scale factor of 0.75?

Back

The figure is reduced.

Tags

CCSS.8.G.A.3

Front

Can dilations only enlarge figures?

Back

False, dilations can also reduce figures.

Tags

CCSS.8.G.A.3

Front

What is the effect of a negative scale factor in dilation?

Back

It reflects the figure across the center of dilation and changes its size.

Tags

CCSS.8.G.A.3