Unit 8 - Review

Express 1 cm : 8 m in the form of 1 : n.

• 1 : 80

• 1 : 800

• 1 : 8000

• 1 : 80000

Express 3 cm : 900 m in the form of 1 : n.

• 1 : 300

• 1 : 3000

• 1 : 30000

• 1 : 300000

A map has a scale of 1cm : 4 kilometres. The actual distance between two cities is 52 kilometres. What is the distance between the cities on the map?

• 52 cm

• 
  13 cm

• 130 cm

• 
  520 cm

A scale drawing has a scale of 1:20 In real life the length of a boat is 150 m What is the length of the boat on the scale drawing? Give your answer in centimetres.

• 
  75 cm

• 
  

  7500 cm

  
  

• 
  

  750 cm

  
  

• 
  7.5 cm

A map has a scale of 1:4000 On the map, the distance between two houses is 9 cm. What is the actual distance between the houses? Give your answer in metres.

• 360 000 cm

• 360 m

• 3600 m

• 36 m

How is triangle ABC being translated to triangle A'B'C'?

• up 3, left 8
• up 9, left 4
• down 3, right 8
• down 9, right 4

Determine where X' would be if you translated X 3 units to the left and 9 units down.

• (-4, 4)
• (-10, 2)
• (-4, -5)
• (-1, 5)

Triangle GHI is reflected across the x-axis.  What are the coordinates of I'?

• (-2, 6)
• (2, 6)
• (-6, -2)
• (6, 2)

Identify the transformation.

• Reflection across y axis
• Reflection across x-axis
• 180 Rotation
• Translation 2 units down

Identify the transformation from A to D.

• 90^o Clockwise Rotation
• 180^o Rotation
• 270^o  clockwise Rotation
• 360^o Rotation