Dilations and Scale Factor

Front

What is the definition of a scale factor in dilations?

Back

The scale factor is a number that describes how much a figure is enlarged or reduced during a dilation.

Tags

CCSS.8.G.A.3

Front

If the scale factor is 1/2, what happens to the size of the figure?

Back

The figure is reduced to half its original size.

Tags

CCSS.8.G.A.3

Front

How do you express a dilation with a scale factor of 3 in algebraic notation?

Back

(x, y) goes to (3x, 3y).

Tags

CCSS.8.G.A.3

Front

What is the result of a dilation on a figure?

Back

A dilation produces a similar figure.

Tags

CCSS.8.G.A.3

Front

What are the two types of dilations?

Back

Enlargement and reduction.

Tags

CCSS.8.G.A.3

Front

If a figure is dilated with a scale factor greater than 1, what type of dilation is it?

Back

It is an enlargement.

Tags

CCSS.8.G.A.3

Front

If a figure is dilated with a scale factor less than 1, what type of dilation is it?

Back

It is a reduction.

Tags

CCSS.8.G.A.3

Front

What does it mean for two figures to be similar?

Back

Two figures are similar if they have the same shape but may differ in size.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

Can a dilation change the shape of a figure?

Back

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

Tags

CCSS.8.G.A.3

Front

What is the effect of a scale factor of 1 on a figure?

Back

The figure remains the same size; it is neither enlarged nor reduced.

Tags

CCSS.8.G.A.3