Unit 2 - Dilations

What is the scale factor used to dilate figure PRG?

• 2

• 3

• 1/2

• 1/3

Choose the correct scale factor:

• 2
• 3
• 1/3
• 1/2

If the scale factor is less than one, the new figure will be

• an enlargement
• a reduction
• a scale factor
• bigger

If the scale factor is greater than one, the new figure will be

• a reduction
• an enlargement
• a scale
• not proportional

If a dilation produces a congruent figure, then the scale factor was equal to _____.

• 1/2
• 2
• 10
• 1

A dilated image has the same angle measurements as the pre-image.

• True

• False

Enlargement or reduction?  Find the scale factor!

• It's an enlargement; the scale factor is 3.
• It's a reduction; the scale factor is 1/3.
• It's a reduction; the scale factor is 1/2.
• It's an enlargement; the scale factor is 2. 

Which two fish represent a horizontal translation?

• A and B
• B and C
• None
• A and D

Which two fish represent a reflection?

• None
• B and C
• C and D
• A and D

If the trapezoid is reflected across the x-axis, what is the coordinates of R'?

• (-8,-7)
• (-8,7)
• (8,7)
• (8,-7)