Dilations and Scale Factor Review

Dilations and Scale Factor Review

8th Grade

15 Qs

quiz-placeholder

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Dilations and Scale Factor Review

Dilations and Scale Factor Review

Assessment

Quiz

Mathematics

8th Grade

Hard

Created by

Anthony Clark

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Triangle EFG is dilated with a scale factor of 1/2. The measure of <F is 36 degrees. What is m<F' ?

18

36

72

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the name of the point from which a dilation is drawn?

the vertex

the center of dilation

the origin of dilation

the corner

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A triangle is dilated with a center of dilation at the origin. Point P is on the figure and P' is the corresponding point on the image of the dilation. Point P is at (-2,3) and P' is at (-8,12). What is the scale factor?

2

4

6

9

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Triangle ABC is dilated to produce A'B'C' with a scale factor of 3/4. Which describes the relationship between the two triangles?

A'B'C' is an enlargement

A'B'C' is a reduction

A'B'C' is congruent to ABC

A'B'C' is a mirror image of ABC

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A triangle has vertices at (1,1), (1,2), and (3,2). It is dilated by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?

(4,1) (4,2) (6,2)

(1,4) (1,5) (3,5)

(3,3) (3,6) (9,6)

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Given the triangles are similar. Which is the length of UV?

3.6 inches

2.4 inches

8.1 inches

4 inches

7.

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.

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