Unit 2 Quiz Review

Does the image show a Dilation? If yes, did the image enlarge, reduce or none of the above?

• Yes, enlarge
• Yes, reduce
• No

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

segment AB is 3 units long if it were dilated by a factor of 5 ... How long would segment A'B' be

• 15

• 3

• 12

• 3/5

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

CCSS.8.G.A.4

What scale factor was used to produce the image?

• 2
• 3
• 1/3
• 1/2

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

What scale factor was used to produce the image?

• 2
• -2
• ¹/₂
• 1

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

Enlargement or reduction?  Find the scale factor!

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

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

Dilation rules use ______________ to change the ___________ of a shape. 

• addition; location
• division; direction
• subtraction; orientation
• multiplication; size

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

A dilation produces a congruent figure

• True

• False

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

After dilations, the sides of the figure are...

• always smaller

• always larger

• the same

• proportional

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

After dilations, angles are ....

• similar

• congruent

• smaller

• larger

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

Definition: The figure after a transformation has occurred.

• image

• pre-image

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3