Dilation, Scale Factor

Dilation, Scale Factor

8th Grade

15 Qs

quiz-placeholder

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Dilation, Scale Factor

Dilation, Scale Factor

Assessment

Quiz

Mathematics

8th Grade

Hard

Created by

Anthony Clark

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Triangle CAT has coordinates C (4,8) A (6,10) and T ( 6,4) where is A' after a dilation of scale factor of 1/2 

(6,10)

(3,2)

(3,5)

(0,0)

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

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)

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Choose the correct scale factor:

2

3

1/3

1/2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Describe the similarity transformation that maps to (dilations have a center at the origin).

a dilation with a scale factor of 2 followed by a translation 4 units right and 3 units down.

a dilation with a scale factor of 1 / 2 followed by a translation 4 units left and 3 units up.

Translation 4 units right and 3 units down followed by a dilation with a scale factor 2.

Translation 4 units left and 3 units up followed by a dilation with a scale factor 1 / 2.

5.

OPEN ENDED QUESTION

1 min • Ungraded

Media Image

The two polygons are similar.

Find the value of x

Find the scale factor

Find the ratio of the perimeter.


Value of x: ____, Scale factor: ____, Ratio of perimeter: ____

Evaluate responses using AI:

OFF

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

an enlargement

a reduction

a scale factor

bigger

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the scale factor is greater than one, the new figure will be

reduction

enlargement

scale

not proportional

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