Dilations and Scale Factor Practice

Choose the correct scale factor:

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.HSG.CO.A.2

△A′B′C′ is the image of △ABC under a dilation. What is the scale factor of the dilation?

• 3

• 1/2

• 2

• 6

Tags

CCSS.8.G.A.3

Enlargement or reduction?  Find the scale factor!

• It's an enlargement; the scale factor is 1/2.

• It's an enlargement; the scale factor is 2.

• It's a reduction; the scale factor is 1/2.

• It's a reduction; the scale factor is 2.

Tags

CCSS.HSG.CO.A.2

The point A (8, 12) was dilated to become point A' (2, 3). What was the scale factor?(hint: divide the x-coordinate of the image by the x-coordinate of the preimage).

• ½

• ¼

• 4

• 2

Tags

CCSS.8.G.A.3

In the figure above, a dilation from A to A' has occurred. What is the scale factor?

Mathematical Equivalence

ON

Tags

CCSS.8.G.A.3

On the set of axes below, AB is dilated by a scale factor of  5/2   centered at P.

Which statements are always true?

Select all that apply

• AB = A'B'

• AB // A'B'

Tags

CCSS.HSG.SRT.A.2

CCSS.8.G.A.4

State the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2.

• (5,3)

• (20,12)

• (-20,-12)

• (-5,-3)

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.3

Scale Factor of 5 is _________________ .

• Reduction

• Enlargement

Tags

CCSS.8.G.A.3