Scale Factors

• 0.25
• 0.5
• 2
• 1/2

Which of the following are scaled copies of the original portrait? Select ALL the apply.

• A

• B

• C

• D

• E

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

• an enlargement

• a reduction

• a scale factor

• bigger

• F

• G

• H

• J

• A

• B

• C

• D

Match the following dilations by a scale factor of 1/2.

• (0,0)

• (0,0)

• (0, -5)

• (0, -10)

• (5,1)

• (-6,-8)

• (3,4)

• (6,8)

• (-3, -4)

• (10,2)

Answer explanation

Note that 0/2 is still 0

so (0,0) dilated by 1/2 is still at (0,0)

(0,-10) dilated by a 1/2 is at

(0, -5)

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

• reduction

• enlargement

• scale

• not proportional

Scale Factor of ½ is __________________ .

• Reduction

• Enlargement

Scale Factor of 5 is _________________ .

• Reduction

• Enlargement