Scale Factor And Dilations

7 Questions | By DMOODY | Last updated: Feb 11, 2013

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This is a short quiz over what you have learned over scale factor and dilations. Although this is an online quiz, be sure to turn your shown work on a separate sheet of paper.

Questions and Answers

1.

Gwen had a painting that had a length of 5 feet and a width of 3.5 feet. If a reproduced copy of that painting had a scale factor of 3.5,what are the new dimensions ?
- A.
  
  15 feet by 12.25 feet
- B.
  
  17.5 feet by 12.25 feet
- C.
  
  17.5 feet by 15 feet
- D.
  
  17.5 feet by 12 feet
2.

Under a dilation, triangle A(-1,1), B(-4,3), C(-3,4) becomes triangle M(-3/4,3/4), N(-3, 2 1/4), Q(-2 1/4,3). What is the scale factor for this dilation?
- A.
  
  1/4
- B.
  
  1/2
- C.
  
  3/4
- D.
  
  3
3.

A figure dilated by a scale factor of .75 would be considered an enlargement.
- A.
  
  True
- B.
  
  False
4.

If a quadrilateral was reduced to 66 2/3%. What was the scale factor?
- A.
  
  2/3
- B.
  
  1/3
- C.
  
  3
- D.
  
  2
5.

If the rectangle is dilated with a scale factor of 2.75. What are the coordinates of point C?
- A.
  
  (5,5)
- B.
  
  (10,10)
- C.
  
  (13,13)
- D.
  
  (13.75, 13.75)
6.

The ratio of the dilated image to the original image is the __________________?
7.

If the scale factor is between 0 and 1, the image is a(n)___________________.

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