Geometry Dilations Quiz Form
Test your understanding of geometry dilations with this focused quiz. Please answer all questions.
What is the definition of a dilation in geometry?
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Which of the following describes a dilation with a scale factor greater than 1?
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The figure becomes larger
The figure becomes smaller
The figure stays the same size
Select the correct image that shows a dilation centered at the origin with a scale factor of 2.
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Image A
Image B
Image C
If a triangle with vertices (2,3), (4,5), (6,7) is dilated by a scale factor of 0.5 about the origin, what are the new coordinates of the vertex (4,5)?
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A dilation maps point P(1,2) to P'(3,6). What is the scale factor?
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Which properties are preserved under a dilation? (Select all that apply)
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Angle measures
Parallelism
Lengths of segments
Proportionality of sides
Match each scale factor with its effect on the figure.
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Rows
Effect
Scale factor = 0.5
Enlarges
Reduces
No change
Scale factor = 1
Enlarges
Reduces
No change
Scale factor = 2
Enlarges
Reduces
No change
True or False: The center of dilation is always inside the figure.
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True
False
Rate your confidence in solving geometry dilation problems.
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Not confident
1
2
3
4
Very confident
5
1 is Not confident, 5 is Very confident
Given a dilation with center (0,0) and scale factor k, write the formula for the image of a point (x, y).
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