Unit 6 Dilations ~ Review

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?
A(3,3) B(6,6) C(9,3)

• 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)

Choose the correct scale factor:

• 2
• 3
• 1/3
• 1/2

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

• ½
• ¼
• 4
• 2

Dilate Point B by a scale factor of 3:

• (12,0)
• (12,12)
• (4,3)
• (0,12)

Does the image show a dilation?

• Yes
• No

What is the definition of dilations in mathematical terms?

• to make larger or smaller
• to make larger
• none of the above
• to make smaller

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

• addition 
• subtraction 
• multiplication 
• division 

What is the scale factor in the algebraic representation
(x,y) to (2x,2y)

• 2

• 1/2

• 2.2

• 0.5

_________ ________ is the number you multiply by the sides to create a similar figure.

• Scale Factor
• Corresponding Angle
• Pi
• Mid Point

A dilation produces a similar figure

• True
• False