Dilations
3 years ago
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15 QuestionsShow answers
  • Question 1
    30 seconds
    Q. Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?
    A(3,3) B(6,6) C(9,3)
    answer choices
    A'(9,9) B'(18,18) C'(27,9)
    A'(6,6) B'(9,9) C'(12,6)
    A'(0,0) B'(3,3) C'(6,0)
    A'(1,1) B'(2,2) C'(3,1)
  • Question 2
    60 seconds
    Q. Tell whether the transformation is a dilation. Explain.
    answer choices
    No, scale factor isn't the same.
    Yes, scale factor is the same.
  • Question 3
    120 seconds
    Q. A triangle has vertices with coordinates (2,0), (3, -1) and (-2,-5). If the triangle is dilated by a scale factor of 3 with the origin as the center of dilation, what are the coordinates of the vertices of the image?
    answer choices
    (5,3), (6,2), (1,-2)
    (6,0), (9,-3), (-6,-15)
    (2/3,0), (1,-1/3), (-2/3,-5/3)
    (-1,-3), (0,-4), (-5,-8)
  • Question 4
    60 seconds
    Q. The __________ is the ratio of a length of the new figure to the corresponding length on the original figure.
    answer choices
    reduction
    enlargement
    scale factor
    center of dilation
  • Question 5
    60 seconds
    Q. State the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2.
    answer choices
    (5,3)
    (20,12)
    (-20,-12)
    (-5,-3)
  • Question 6
    60 seconds
    Q. The point (8, 12) was dilated to become point (2, 3). What was the scale factor?
    answer choices
    ½
    ¼
    4
    2
  • Question 7
    60 seconds
    Q. Dilate Point B by a scale factor of 1/2
    answer choices
    (1.5,-4)
    (-1.5,1)
    (-1,-1.5)
    (-2,-2)
  • Question 8
    60 seconds
    Q. In a dilation what mathematical operation is used with the scale factor?
    answer choices
    addition 
    subtraction 
    multiplication 
    division 
  • Question 9
    30 seconds
    Q. The red triangle has been dilated by a scale factor of 1/4, which triangle is it's new image? 
    answer choices
    green triangle 
    red triangle 
    black triangle
    none of these 
  • Question 10
    30 seconds
    Q. A scale factor of less than one means
    answer choices
    that the image will be larger than the pre-image.
    That the image will be the same as the pre-image.
    That you need to subtract that amount off  of each side.
    That the image will be a reduction of the pre-image.
  • Question 11
    30 seconds
    Q. What is the definition of dilations ,in mathematical terms?
    answer choices
    to make larger or smaller
    to make larger
    all of the above
    to make smaller
  • Question 12
    30 seconds
    Q. A dilation can produce a smaller figure or a(n)______
    answer choices
    reduction
    enlargement
    scale factor
    center of dilation
  • Question 13
    30 seconds
    Q.  A dilation can produce a larger figure or a(n)______
    answer choices
    reduction
    enlargement
    scale factor
    center of dilation
  • Question 14
    60 seconds
    Q. Does the image show a Dilation?
    answer choices
    Yes
    No
  • Question 15
    30 seconds
    Q.
    answer choices
    A
    B
    C
    D
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