Quiz about Dilation or Reduction

Question 1

The blue shape is a dilation of the black shape. What is the scale factor of the dilation? Remember:

Accepted Answer

$$\frac{5}{10}=\frac{1}{2}$$

Answer

$$\frac{6}{18}=\frac{1}{3}$$

Answer

$$\frac{10}{5}=2\ $$

Question 2

In this dilation, the blue figure is the image and the black figure is the pre-image. This means that an ______________ occurred.

Accepted Answer

enlargement

Answer

reduction

Answer

spin

Answer

flip

Question 3

When trying to find the side lengths of the image or the coordinates of the image in a dilation, what operation do you perform using the scale factor? For example: A (2,1) and the scale factor is 3, A' will be (6,3).

Accepted Answer

multiply

Answer

add

Answer

subtract

Answer

divide

Question 4

A __________________ is a transformation that enlarges or reduces the size from pre-image to image based on a scale factor.

Accepted Answer

dilation

Answer

translation

Answer

reflection

Answer

rotation

Question 5

An ________________means that the image is larger than the pre-image.

Accepted Answer

enlargement

Answer

reduction

Answer

flip

Answer

spin

Question 6

A ________________means that the image is smaller than the pre-image.

Accepted Answer

reduction

Answer

flip

Answer

spin

Answer

enlargement

Question 7

When the scale factor is greater than 1 on a dilation, it produces ___________________.

Accepted Answer

an enlargement

Answer

a reduction

Answer

a pre-image

Answer

a spin

Question 8

When dilations have a scale factor of less than 1, it causes a ___________________.

Accepted Answer

reduction

Answer

enlargement

Answer

slide

Answer

turn

Question 9

Which scale factor will cause a reduction

Accepted Answer

1/4

Answer

4

Answer

100

Answer

7

Question 10

Which one of the following transformations will produce a similar figure?

Accepted Answer

dilation

Answer

translation

Answer

rotation

Answer

reflection

Question 11

A dilation with a scale factor of 4 will produce an enlargement.

Accepted Answer

true

Answer

false

Question 12

A dilation with a scale factor of 2 will produce a reduction.

Accepted Answer

false

Answer

true

Question 13

A dilation with a scale factor of 1/3 will produce a reduction.

Accepted Answer

true

Answer

false

Question 14

In this example of a reduction, the blue figure is the image which means the scale factor has to be __________________.

Accepted Answer

less than 1

Answer

more than 1

Answer

equal to 1

Answer

nothing

Question 15

Does the image show a Dilation? If yes, did the image enlarge, reduce or none of the above?

Accepted Answer

Yes, enlarge

Answer

Yes, reduce

Answer

No

Dilation or Reduction

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