Rotation and Dilation Review

Rotate the point (5,1) around the origin 180 degrees. State the image of the point.

• (1,-5)

• (1,5)

• (-1,-5)

• (-5,-1)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Rotate the point (7,8) around the origin 90 degrees. State the image of the point.

• (-7,-8)

• (8,-7)

• (-8,7)

• (8,7)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the definition of dilation,  in mathematical terms?

• to make larger or smaller

• to only make larger

• all of the above

• to only make smaller

Tags

CCSS.8.G.A.3

Triangle A is rotated 90° clockwise with the origin as the center of rotation to create a new figure. Which triangle shows the new location?

• A

• B

• C

• D

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What type of transformation is this?

• rotation

• translation

• reflection

• dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

This type of transformation changes the size:

• rotation

• translation

• reflection

• dilation

Tags

CCSS.8.G.A.3

What is this picture an example of? 

• An angle

• A cat vertex 

• Rotation 

• Dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A transformation that “turns” a figure about a fixed point is a _____________________.

• rotation

• translation

• reflection

• dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Choose the correct scale factor:

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.HSG.CO.A.2

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

• ½

• ¼

• 4

• 2

Tags

CCSS.8.G.A.3