Dilation Scale Factors Similarity

Choose the correct scale factor:

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.HSG.CO.A.2

Describe the similarity transformation that maps to (dilations have a center at the origin).

• a dilation with a scale factor of 2 followed by a translation 4 units right and 3 units down.

• a dilation with a scale factor of 1 / 2 followed by a translation 4 units left and 3 units up.

• Translation 4 units right and 3 units down followed by a dilation with a scale factor 2.

• Translation 4 units left and 3 units up followed by a dilation with a scale factor 1 / 2.

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

The two polygons are similar.

Find the value of x

Find the scale factor

Find the ratio of the perimeter.

Value of x: ____, Scale factor: ____, Ratio of perimeter: ____

Tags

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

Square A is a Dilation of Square B. What is the scale factor of the squares?

• 1/7

• 4/5

• 5/4

• 7

Tags

CCSS.8.G.A.3

• A

• B

• C

• D

Tags

CCSS.8.G.A.3

Approximate the scale factor of the dilation in the given image.

• 1/2

• 3/5

• 5/3

• 4

Tags

CCSS.8.G.A.3

What is the scale factor of this dilation?

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

The center of dilation was Point ​ (a)   . The scale factor that dilates triangle ABC to XBY is ​ (b)   . The scale factor that dilated triangle XBY to ABC is ​ (c)   .

• B

• A

• C

• 1/3

• 3

• 1/2

• 2

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

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

• reduction

• enlargement

• scale

• not proportional

Tags

CCSS.8.G.A.3