Dilations & Scale Factors

Front

What is a dilation in geometry?

Back

A dilation is a transformation that alters the size of a figure but keeps its shape, using a scale factor.

Tags

CCSS.8.G.A.3

Front

What does a scale factor less than 1 indicate?

Back

A scale factor less than 1 indicates a reduction in size.

Tags

CCSS.8.G.A.3

Front

What does a scale factor greater than 1 indicate?

Back

A scale factor greater than 1 indicates an enlargement in size.

Tags

CCSS.8.G.A.3

Front

If a triangle is dilated by a scale factor of 2, what happens to its size?

Back

The triangle will be enlarged to twice its original size.

Tags

CCSS.8.G.A.3

Front

If a triangle is dilated by a scale factor of 1/2, what happens to its size?

Back

The triangle will be reduced to half its original size.

Tags

CCSS.8.G.A.3

Front

What is the scale factor if the original figure's dimensions are multiplied by 3?

Back

The scale factor is 3.

Tags

CCSS.7.G.A.1

Front

What is the scale factor if the new figure is half the size of the original?

Back

The scale factor is 1/2.

Tags

CCSS.7.G.A.1

Front

How do you determine if a dilation is an enlargement or a reduction?

Back

If the scale factor is greater than 1, it is an enlargement; if it is less than 1, it is a reduction.

Tags

CCSS.8.G.A.3

Front

What is the image of a figure under a dilation?

Back

The image is the new figure that results from the dilation transformation.

Tags

CCSS.8.G.A.3

Front

Can a dilation change the shape of a figure?

Back

No, a dilation does not change the shape; it only changes the size.

Tags

CCSS.8.G.A.3