Dilations Find the Scale Factor

Dilations Find the Scale Factor

8th Grade

15 Qs

quiz-placeholder

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Dilations Find the Scale Factor

Dilations Find the Scale Factor

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

CCSS
8.G.A.3, 7.G.A.1, HSG.SRT.A.2

+1

Standards-aligned

Created by

Anthony Clark

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 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

Tags

CCSS.7.G.A.1

2.

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)

Tags

CCSS.8.G.A.3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If k=1.25 (k is scale factor), then a dilation will result in a(n)______

reduction

enlargement

scale factor

center of dilation

Tags

CCSS.8.G.A.3

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following are Dilations?

(x, y) → (x, 3y)

(x, y) → (3x, 3y)

(x, y) → (x, y - 3)

(x, y) → (.5x, .4y)

Tags

CCSS.8.G.A.3

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

True of False: When you shrink a figure, you multiply by a fraction. 

true

false

Tags

CCSS.8.G.A.3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Find the measure of x:

6

24

33

36

Tags

CCSS.HSG.SRT.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the scale factor from the small shape to the big shape?

1/2

7/3

2

10/3

Tags

CCSS.7.G.A.1

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