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Scale Factors and Dilation Effects

Scale Factors and Dilation Effects

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

The video tutorial discusses scale factors and dilations, explaining how a dilation changes the size of an image. It covers how a scale factor greater than one results in an enlargement, while a scale factor less than one results in a reduction. The video also touches on the identity property of multiplication, where a scale factor equal to one results in congruent figures.

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a dilation in geometry?

A transformation that rotates an image

A transformation that changes the size of an image

A transformation that reflects an image

A transformation that changes the shape of an image

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the scale factor K determine in a dilation?

The color of the image

The shape of the image

The position of the image

Whether the image is enlarged or reduced

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when the scale factor K is greater than one?

The image is reflected

The image is enlarged

The image is reduced

The image is unchanged

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following scale factors will result in an enlargement?

0.8

1/5

0.5

4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of a scale factor that results in enlargement?

0.75

0.9

1/3

5/2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effect of a scale factor of 4 on an image?

The image is rotated

The image is unchanged

The image is enlarged

The image is reduced

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result when the scale factor K is less than one?

The image is unchanged

The image is enlarged

The image is rotated

The image is reduced

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