Scale Factor And Dilations

7 Questions  I  By DMOODY
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 Scale Factor And Dilations
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.

  
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Questions and Answers

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  • 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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