Dilations and Scale Factor Introduction

If the scale factor is less than 1, the new figure will be

• an enlargement

• a reduction

• a scale factor

• bigger

Tags

CCSS.8.G.A.3

What is the scale factor from ΔABC to ΔDEF?

• 2

• 3/2

• 2/3

• 1/2

Tags

CCSS.7.G.A.1

What is the scale factor from the small fry to the large fry?

• 1/3

• 48

• 4

• 3

Tags

CCSS.7.G.A.1

If AB = 3 and the scale factor is 4 then how long is A'B'?

Tags

CCSS.8.G.A.3

If the scale factor to map A'B'C' onto ABC is 1/4 then what is the scale factor to map ABC back onto A'B'C'?

Tags

CCSS.HSG.SRT.A.2

CCSS.8.G.A.4

If A'B'=20 and AB=100 then what is the scale factor to map ABC onto A'B'C'? Answer either as a fraction in reduced form or as an integer.

Tags

CCSS.HSG.SRT.A.2

CCSS.8.G.A.4

OA'=9 and OA=36. Determine A'C' if AC = 64

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

Find the scale factor of the dilation. Then tell whether the dilation is a reduction or an enlargement.

• 2 / 5; reduction

• 5 / 2; enlargement

• 2 / 3; reduction

• 3 / 2; enlargement

Tags

CCSS.8.G.A.3

Choose all the scale factors that will result in enlargements

• 1

• 2

• 1/2

• 5

• 1.2

Tags

CCSS.8.G.A.3