Dilations and Scale Factors

Dilations and Scale Factors

8th Grade

15 Qs

quiz-placeholder

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Dilations and Scale Factors

Dilations and Scale Factors

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

Media Image

If point is at N(-1, 2) and point is at N'(-2, 4), what scale factor was point N multiplied by?

2

3

1/3

1/2

2.

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

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A dilation produces a similar figure

True

False

4.

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

5.

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

6.

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

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How do you write the algebraic notation when the scale factor is 1/2?

(x, y) −> (2x, 2y)

(x, y) −> (1/2x, 1/2y)

(x, y) −> (-2x, -2y)

(x, y) −> (2x, 1/2y)

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