QUIZ 2-6 Dilations/Similar Figures 22/23

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

Choose the correct scale factor:

• 2
• 3
• 1/3
• 1/2

Tags

CCSS.8.G.A.3

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

• ½
• ¼
• 4
• 2

Tags

CCSS.8.G.A.3

Find the scale factor, is the transformation an enlargement, or reduction?

• 2 enlargement

• 1/2 reduction

• 2 reduction

• 1/2 enlargement

What scale factor was used to produce the image?

• 1
• 7
• 18
• 49

Tags

CCSS.8.G.A.3

What are the coordinates for the center of dilation?

• (-3, 0)

• (0, 0)

• (3, 1)

• (3, -2)

What are the coordinates for the center of dilation?

• (0, 0)

• (-3, 1)

• (-12, 6)

• (-3, -3)

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

Solve for x 

• x = 6
• x = 25
• x = 28
• x = 17

Tags

CCSS.7.RP.A.3

Solve for k

• 165
• 17
• 1/17
• 1/165

Tags

CCSS.7.EE.B.3