Dilation and Rotation Review

State the coordinate of the image of the given point B (4,9) under a dilation with center at the origin with the given scale factor of 2.

• (2,4.5)

• (-8,-18)

• (8,18)

• (9,4)

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

• (1,-5)

• (1,5)

• (-1,-5)

• (-5,-1)

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

• (-7,-8)

• (8,-7)

• (-8,7)

• (8,7)

If I rotate a trapezoid

90⁰ counterclockwise,

and its in quadrant 3,

which quadrant would it move to?

• Quadrant 1 (I)

• Quadrant 2 (II)

• Quadrant 3 (III)

• Quadrant 4 (IV)

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

What type of transformation is this?

• rotation

• translation

• reflection

• dilation

This type of transformation changes the size:

• rotation

• translation

• reflection

• dilation

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

• rotation

• translation

• reflection

• dilation

What is this picture an example of? 

• An angle

• A cat vertex 

• Rotation 

• Dilation

In a dilation what mathematical operation is used with the scale factor?

• addition 

• subtraction 

• multiplication 

• division