Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 HMH Go Math - Answer Keys
Chapter 10:Transformations and Similarity; Lesson 1: Properties of Dilations


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Identify the scale factor used in each dilation.

FOCUS ON HIGHER ORDER THINKING

  • Question 19 (request help)

    Critical Thinking Explain how you can find the center of dilation of a triangle and its dilation.
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  • Question 20 (request help)

    Make a Conjecture

    a. A square on the coordinate plane has vertices at (−2, 2), (2, 2), (2, −2), and (−2, −2). A dilation of the square has vertices at (−4, 4), (4, 4), (4, −4), and (−4, −4). Find the scale factor and the perimeter of each square.
  • Scale factor:   
    Original perimeter:   
    Image perimeter:   
  • Question 20 (request help)

    b. A square on the coordinate plane has vertices at (−3, 3), (3, 3), (3, −3), and (−3, −3). A dilation of the square has vertices at (−6, 6), (6, 6), (6, −6), and (−6, −6). Find the scale factor and the perimeter of each square.
  • Scale factor:   
    Original perimeter:   
    Image perimeter:   
  • Question 20 (request help)

    c. Make a conjecture about the relationship of the scale factor to the perimeter of a square and its image.
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