Dilations Practice

Choose the correct scale factor:

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.HSG.CO.A.2

Is this an enlargement or a reduction?

• Enlargement

• Reduction

Tags

CCSS.8.G.A.3

△A′B′C′ is the image of △ABC under a dilation with a scale factor of 2. What is the length of segment AB?

• 4

• 16

• 2

• 6

Tags

CCSS.8.G.A.3

Trapezoid A’B’C’D’ is the dilation of trapezoid ABCD.
Which algebraic representation shows this dilation?

• (x, y) --> (2x, 2y)

• (x, y) --> (0.5x, 0.5y)

• (2x, 2y) --> (x, y)

• (x, y) --> (3x, 2y)

Tags

CCSS.HSG.CO.A.2

Triangle A’B’C’ is the dilation of triangle ABC.
Which algebraic representation shows this dilation?

• (x, y) --> (1/2x, 1/2y)

• (x, y) --> (2x, 2y)

• (x, y) --> (x + 1/2, y)

• (x, y) --> (1/2x, y)

Tags

CCSS.HSG.CO.A.2

The point (8, 12) was dilated to become point (2, 3). What was the scale factor?

(Think...did it get bigger or smaller? Can you eliminate based on that? )

• ½

• ¼

• 4

• 2

Tags

CCSS.8.G.A.3

A dilation always produces a similar figure. Similar figures have the same ______ but different ______. 

• measure; shapes

• sizes; shapes

• value; measures

• shape; sizes

Tags

CCSS.8.G.A.3

Is this an enlargement or a reduction?

• Enlargement

• Reduction

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

If the scale factor is less than one, the new figure will be

• an enlargement

• a reduction

• a scale factor

• bigger

Tags

CCSS.8.G.A.3

Looking at the rule (x,y)--->(4x,4x), what is the scale factor and what happened to the figure?

• 1/4 , reduced

• 4, reduced

• 4, enlarged

• 4, stayed the same

Tags

CCSS.8.G.A.3