Dilation and Scale Factor

The original figure is in the top left. What is the scale factor from the original to Figure B?

The original figure is in the top left. What is the scale factor from the original to Figure D?

The original figure is in the top left. What is the scale factor from the original to Figure C?

• 1/2

• 1

• 3/2

• 2

A student draws a scaled copy/dilation of the figure shown with a scale factor greater than 1. Which could be the length of the base of the triangle?

• 2

• 5

• 1/5

• 11

PQRS is a scaled copy/dilation of ABCD. Wich angle on ABCD corresponds to angle PSR?

• Angle BAD

• Angle ABC

• Angle BCD

• Angle ADC

A student draws a scaled copy/dilation of the figure shown with a scale factor of less than 1. Which could be the length of AD'?

• 4

• 18

• 32

• 64

Is Figure B a scaled copy/dilation of Figure A?

• Yes

• No

What is the scale factor from the small shape to the big shape?

• 1/2

• 7/3

• 2

• 10/3

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

• reduction

• enlargement

• scale

• not proportional

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

• ½

• ¼

• 4

• 2