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Dilations and Scale Factors

Authored by Anthony Clark

Mathematics

8th Grade

CCSS covered

Dilations and Scale Factors
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14 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the definition of dilations in mathematical terms?

to make larger or smaller

to make larger

none of the above

to make smaller

Tags

CCSS.8.G.A.3

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A dilation produces a similar figure

True

False

Tags

CCSS.8.G.A.3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the scale factor is less than 1, the new figure will be

an enlargement

a reduction

a scale factor

bigger

Tags

CCSS.8.G.A.3

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What variable represents scale factor in the algebraic representation (x,y) to (kx,ky)?

x

y

z

k

Tags

CCSS.7.G.A.1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A dilation is which of the following: 

only an enlargement

only a reduction

Either an enlargement or a reduction

Neither an enlargement or a reduction

Tags

CCSS.8.G.A.3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

State the coordinate of the image of the given point B (4,9) under a dilation with center at the origin with the given scale factor of 2.

B' (2 , 4.5)

B' (-8 ,-18)

B' (8 ,18)

B' (9 ,4)

Tags

CCSS.8.G.A.3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Is this an enlargement or reduction? (blue = original image)

reduction

enlargement

Tags

CCSS.8.G.A.3

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