Dilations and Similarity

Dilations and Similarity

9th - 12th Grade

30 Qs

quiz-placeholder

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Dilations and Similarity

Dilations and Similarity

Assessment

Quiz

Mathematics

9th - 12th Grade

Hard

Created by

Barbara White

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is Dilation?
Dilation means to enlarge or reduce
Dilation means to reflect on something
Dilation means to like something
Dilation means to make something different by making it smaller

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A scale factor of less than one but greater than zero means

that the prime image will be larger than the pre-image.

That the prime image will be the same as the preimage.

That you need to subtract that amount off of each side.

That the prime image will be a reduction of the preimage.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Definition: The figure before a transformation has occurred. 
Pre-image
Image
Translation
Reflection

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Definition: The figure after a transformation has occurred. 
Pre-image
Image
Translation
Reflection

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The __________ is the ratio of a length of the image to the corresponding length on the original figure.
reduction
enlargement
scale factor
center of dilation

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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?
(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)

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image
Does the image show a dilation?
Yes
No

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