Dilations About the Origin

Dilations About the Origin

8th Grade

17 Qs

quiz-placeholder

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Dilations About the Origin

Dilations About the Origin

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Easy

CCSS
8.G.A.3, HSG.SRT.A.2, 8.G.A.2

+3

Standards-aligned

Created by

Anthony Clark

Used 2+ times

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17 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Which of the following are true about dilations? Select all that apply.

Dilations have the same shape as the original.

Dilations can be enlargements of the original image.

Dilations can be reductions of the original image.

Dilations are always congruent.

Tags

CCSS.8.G.A.3

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the scale factor?

2

1/2

(1,2)

(2,1)

Tags

CCSS.8.G.A.3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which of the statements is true about the graphed triangles?

They are similar, because one can be obtained by dilating the other about the origin with a scale factor of 2.

They are similar, because one can be obtained by dilating the other about the origin with a scale factor of 1/2.

They are not similar, because one can be obtained by dilating the other about the origin with a scale factor of 2.

They are not similar, because one can be obtained by dilating the other about the origin with a scale factor of 1/2.

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

What is the scale factor of this dilation?

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

ΔOBC is similar to ΔOGT because: (choose the best answer)

ΔOBC can be dilated about point O by a scale factor of 1/2, and then rotated 90 degrees about point O.

ΔOBC can be dilated about point G by a scale factor of 1/2, and then reflected over the x- axis

They aren't similar

They map to each other with similarity transformations.

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Square A is a Dilation of Square B. What is the scale factor of the squares?

1/7

4/5

5/4

7

Tags

CCSS.8.G.A.3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

True or false, when a figure is dilated, the corresponding angles are congruent?

True

False

Tags

CCSS.8.G.A.3

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