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Scale Factor and Dilation on Area and Perimeter

Authored by Anthony Clark

Mathematics

8th Grade

CCSS covered

Scale Factor and Dilation on Area and Perimeter
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19 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The red triangle has been dilated by a scale factor of 1/4, which triangle is it's new image? 

green triangle 

red triangle 

black triangle

none of these 

Tags

CCSS.8.G.A.3

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Dilate Point B by a scale factor of 1/2

(1.5,-4)

(-1.5,1)

(-1,-1.5)

(-2,-2)

Tags

CCSS.8.G.A.3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The basic formula for scale factor puts the ORIGINAL measurement on the ________ of a fraction.

outside

inside

bottom

top

Tags

CCSS.7.G.A.1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

If the scale factor is 4, what is the measurement of x?

20 m

24 m

16 m

4 m

Tags

CCSS.7.G.A.1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the scale factor from ABCD to MNOP?

2/3

3/2

2

3

Tags

CCSS.7.G.A.1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a scale factor of ½ is applied, what would be the algebraic representation for this dilation.

(x, y)--> (2x, 2y)

(x, y)--> (1/2x, 1/2y)

(x, y)--> (x+2, y+2)

(x, y)--> (x-2, y-2)

Tags

CCSS.8.G.A.3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Does the image show a dilation?

Yes

No

Tags

CCSS.8.G.A.3

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