Similar Shapes Are Dilations

Which is FALSE about dilations?

• The shape is the same.

• The size changes.

• Dilations can only occur with whole number scale factors

• Dilations produce similar figures

Tags

CCSS.8.G.A.3

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

• always smaller

• always larger

• the same

• proportional

Tags

CCSS.8.G.A.3

A dilation is which of the following: 

• only an enlargement

• only a reduction

• Either an enlargement or a reduction

• Neither an enlargement or a reduction

Tags

CCSS.8.G.A.3

_{Line AB corresponds with what line?} 

• XZ

• XY

• YZ

• YX

Tags

CCSS.HSG.SRT.A.2

Line CB corresponds with what line? 

• SR

• PQ

• SP

• RQ

Tags

CCSS.8.G.A.2

Dilate Point B by a scale factor of 1/2

• (1.5,-4)

• (-1.5,1)

• (-1,-1.5)

• (-2,-2)

Tags

CCSS.8.G.A.3

What scale factor was used to produce the image?

• 2

• -2

• ¹/₂

• 1

Tags

CCSS.8.G.A.3

Dilate the figure by a scale factor of 3. What are the coordinates of the image?

• A'(9,9) B'(18,18) C'(27,9)

• A'(6,6) B'(9,9) C'(12,6)

• A'(0,0) B'(3,3) C'(6,0)

• A'(1,1) B'(2,2) C'(3,1)

Tags

CCSS.8.G.A.3

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

• ½

• ¼

• 4

• 2

Tags

CCSS.8.G.A.3

When A(3, 6) is under a dilation of 2 what are the coordinates of A'?

• (3, 6)

• (1.5, 3)

• (6, 12)

• (12, 6)

Tags

CCSS.8.G.A.3