Dilations

Front

What is a dilation?

Back

A dilation is a transformation that produces a similar figure by enlarging or reducing it based on a scale factor.

Tags

CCSS.8.G.A.3

Front

What does it mean when a dilation has a scale factor less than one?

Back

It means the figure is being reduced in size.

Tags

CCSS.8.G.A.3

Front

What does it mean when a dilation has a scale factor greater than one?

Back

It means the figure is being enlarged.

Tags

CCSS.8.G.A.3

Front

What mathematical operation is used with the scale factor in a dilation?

Back

Multiplication.

Tags

CCSS.8.G.A.3

Front

If a figure is dilated by a scale factor of 2, what happens to its dimensions?

Back

Each dimension of the figure is multiplied by 2, resulting in an enlargement.

Tags

CCSS.8.G.A.3

Front

If a figure is dilated by a scale factor of 0.5, what happens to its dimensions?

Back

Each dimension of the figure is multiplied by 0.5, resulting in a reduction.

Tags

CCSS.8.G.A.3

Front

What is the center of dilation?

Back

The center of dilation is the fixed point in the plane about which all points are expanded or contracted.

Tags

CCSS.8.G.A.3

Front

How do you find the coordinates of a dilated figure?

Back

Multiply the original coordinates by the scale factor.

Tags

CCSS.8.G.A.3

Front

What is the result of dilating the point (2, 3) by a scale factor of 3?

Back

The new coordinates will be (6, 9).

Tags

CCSS.8.G.A.3

Front

What is the result of dilating the point (4, 5) by a scale factor of 0.5?

Back

The new coordinates will be (2, 2.5).

Tags

CCSS.8.G.A.3