6.01 Intro to Dilations

Which number will complete the equivalent ratio for 4:12?

_____:36

• 60

• 12

• 48

• 2

Simplify the ratio of
35 : 14

• 5 : 2
• 2 : 5
• 3 : 1
• 35: 14

Solve for x 

• x = 16
• x = 28
• x = 1/26
• x = 26

What is the scale factor from the small fry to the large fry?

• 1/3

• 48

• 4

• 3

What is the scale factor from ΔDEF to ΔABC?

• 1/2
• 7/3
• 2
• 10/3

Choose the correct scale factor:

• 2
• 3
• 1/3
• 1/2

How is Figure F reduced to Figure B?

• Multiply each side by 1/2

• Multiply each side by 1/3

• Multiply each side by 1/4

• Multiply each side by 1/5

What is the area of this figure?

• 40 square units
• 45 units
• 13

What is the perimeter?

• 3 ft. 
• 6 ft. 
• 12 ft. 
• 18 ft. 

Identify the rule after a 90° counter clockwise rotation:
(x, y) ---> ___________

• ( y, -x)
• ( -y, x)
• ( -x, -y)
• ( y, -x)