Quiz about Dilations

Question 1

Choose the correct scale factor:

Accepted Answer

2

Answer

3

Answer

1/3

Answer

1/2

Question 2

A dilation is which of the following:

Accepted Answer

Either an enlargement or a reduction

Answer

only an enlargement

Answer

only a reduction

Answer

Neither an enlargement or a reduction

Question 3

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.

Accepted Answer

B' (8 ,18)

Answer

B' (2 , 4.5)

Answer

B' (-8 ,-18)

Answer

B' (9 ,4)

Question 4

When A(3, 6) is under a dilation of 2 what are the coordinates of A'?

Accepted Answer

(6, 12)

Answer

(3, 6)

Answer

(1.5, 3)

Answer

(12, 6)

Question 5

A dilation produces a congruent figure

Accepted Answer

False

Answer

True

Question 6

When a dilation has a scale factor greater than one, the dilation is an enlargement.

Accepted Answer

True

Answer

False

Question 7

When the scale factor of a dilation is less than one, the dilation is a reduction.

Accepted Answer

True

Answer

False

Question 8

How do you write the algebraic notation when the scale factor is 3?

Accepted Answer

(x, y) --> (3x, 3y)

Answer

(x, y) --> (1/3x, 1/3y)

Answer

(x, y) --> (-3x, -3y)

Answer

(x, y) --> (x + 3, y + 3)

Question 9

In a dilation what mathematical operation is used with the scale factor?

Accepted Answer

multiplication

Answer

addition

Answer

subtraction

Answer

division

Question 10

The __________ is the ratio of a length of the new figure to the corresponding length on the original figure.

Accepted Answer

scale factor

Answer

reduction

Answer

enlargement

Answer

center of dilation

Question 11

State the coordinate of the image of the given point G (-10,-6) under a dilation with center at the origin with the given scale factor of 1/2.

Accepted Answer

G' (-5,-3)

Answer

G' (5,3)

Answer

G' (20,12)

Answer

G' (-20,-12)

Question 12

Similar figures have the same ______ but different ______.

Accepted Answer

shape; sizes

Answer

measure; shapes

Answer

sizes; shapes

Answer

value; measures

Question 13

What is the scale factor from ABCD to MNOP?

Accepted Answer

2/3

Answer

3/2

Answer

2

Answer

3

Question 14

If your SF = 0.8, what type of dilation is it?

Accepted Answer

Reduction

Answer

Enlargement

Question 15

If your SF = 2.5, what type of dilation is it?

Accepted Answer

Enlargement

Answer

Reduction

Question 16

If your SF = 6/5, what type of dilation is it?

Accepted Answer

Enlargement

Answer

Reduction

Question 17

Definition: The figure after a transformation has occurred.

Accepted Answer

Image

Answer

Pre-image

Answer

Translation

Answer

Reflection

Question 18

Definition: The figure before a transformation has occurred.

Accepted Answer

Pre-image

Answer

Image

Answer

Translation

Answer

Reflection

Question 19

A dilation always produces a congruent figure.

Accepted Answer

False

Answer

True

Question 20

What scale factor was used to produce the image?

Accepted Answer

7

Answer

1

Answer

18

Answer

49

Question 21

Find the measure of x:

Accepted Answer

36

Answer

6

Answer

24

Answer

33

Question 22

Enlargement or reduction?  Find the scale factor!

Accepted Answer

It's a reduction; the scale factor is 1/2.

Answer

It's a reduction; the scale factor is 2.

Answer

It's an enlargement; the scale factor is 2.

Answer

It's an enlargement; the scale factor is 1/2.

Question 23

Triangle ABC will be dilated by a scale factor of 1/2.  What will be the coordinates of C'?

Accepted Answer

(3, -1.5)

Answer

(-1, -2.5)

Answer

(12, 6)

Answer

(0, 1.5)

Question 24

If the scale factor is greater than 1, the dilation is...

Accepted Answer

an enlargement

Answer

a rotation

Answer

a translation

Answer

a reduction

Question 25

If the scale factor is less than 1, the dilation is...

Accepted Answer

a reduction

Answer

an enlargement

Answer

a translation

Answer

a rotation

Question 26

Enlargement or reduction?  Find the scale factor!

Accepted Answer

It's an enlargement; the scale factor is 2.

Answer

It's an enlargement; the scale factor is 1/2.

Answer

It's a reduction; the scale factor is 1/2.

Answer

It's a reduction; the scale factor is 2.

Question 27

Triangle ABC has vertices A (-2, 2), B (2, 4) and C (3, -1).  What are the coordinates of A' after a dilation by a scale factor of 2.5?

Accepted Answer

(-5, 5)

Answer

(5, -5)

Answer

(5, 10)

Answer

(7.5, -2.5)

Question 28

Rectangle ABCD is dilated so that A' is located at (3, 6).  What could be the dilation rule?

Accepted Answer

(3/2 x, 3/2 y)

Answer

(2x, 3y)

Answer

(2/3 x, 2/3 y)

Answer

(x + 2, y + 3)

Question 29

Rectangle ABCD is dilated so that the coordinates of C' are (2, -1).  What could be the dilation rule?

Accepted Answer

(1/2 x, 1/2 y)

Answer

(-2x, +1y)

Answer

(2x, 2y)

Answer

(x - 2, y - 1)

Question 30

Quadrilateral RSTV is dilated so that the coordinates of S' are (3, 9).  What was the scale factor of the dilation?

Accepted Answer

3/2

Answer

0.6

Answer

(1, 3)

Answer

3

Question 31

Polygon ABCDE will be dilated by a scale factor of 2.  Which statement is NOT true of the dilation?

Accepted Answer

The original and the image will be congruent.

Answer

The corresponding angles of the two polygons will be equal.

Answer

The dilation will be an enlargement.

Answer

Polygon A'B'C'D'E' will be proportional to polygon ABCDE.

Question 32

Enlargement or reduction?  Find the scale factor!

Accepted Answer

It's a reduction; the scale factor is 1/3.

Answer

It's an enlargement; the scale factor is 3.

Answer

It's a reduction; the scale factor is 1/2.

Answer

It's an enlargement; the scale factor is 2.

Question 33

Circle I is dilated to create Circle II.  Which could be the scale factor of the dilation?

Accepted Answer

8/3

Answer

5

Answer

3/8

Answer

8

Question 34

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?
A(3,3) B(6,6) C(9,3)

Accepted Answer

A'(9,9) B'(18,18) C'(27,9)

Answer

A'(6,6) B'(9,9) C'(12,6)

Answer

A'(0,0) B'(3,3) C'(6,0)

Answer

A'(1,1) B'(2,2) C'(3,1)

Question 35

A dilation produces a similar figure

Accepted Answer

True

Answer

False

Question 36

When a dilation has a scale factor greater than one, the dilation is an enlargement.

Accepted Answer

True

Answer

False

Question 37

When the scale factor of a dilation is less than one, the dilation is a reduction.

Accepted Answer

True

Answer

False

Question 38

Does the transformation shown preserve congruence and/or orientation?

Accepted Answer

Congruence yes, Orientation yes

Answer

Congruence No, Orientation No

Answer

Congruence No, Orientation yes

Answer

Congruence Yes, Orientation No

Question 39

Does the transformation shown preserve congruence and/or orientation?

Accepted Answer

Congruence yes, Orientation yes

Answer

Congruence No, Orientation No

Answer

Congruence No, Orientation yes

Answer

Congruence Yes, Orientation No

Question 40

Does the transformation shown preserve congruence and/or orientation?

Accepted Answer

Congruence Yes, Orientation No

Answer

Congruence yes, Orientation yes

Answer

Congruence No, Orientation No

Answer

Congruence No, Orientation yes

Question 41

Does the transformation shown preserve congruence and/or orientation?

Accepted Answer

Congruence yes, Orientation yes

Answer

Congruence No, Orientation No

Answer

Congruence No, Orientation yes

Answer

Congruence Yes, Orientation No

Question 42

Identify the transformation from A to D.

Accepted Answer

90^o Clockwise Rotation

Answer

180^o Rotation

Answer

270^o clockwise Rotation

Answer

360^o Rotation

Question 43

Identify the transformation from A to B.

Accepted Answer

270^o clockwise Rotation

Answer

90^o Clockwise Rotation

Answer

180^o Rotation

Answer

360^o Rotation

Question 44

Identify the transformation.

Accepted Answer

Reflection across x-axis

Answer

Reflection across y axis

Answer

180 Rotation

Answer

Translation 2 units down

Question 45

Identify the transformation.

Accepted Answer

Translation 5 units left, 1 unit up.

Answer

Reflection across y-axis

Answer

90 Rotation counter clockwise

Answer

Translation 5 units right, 1 unit down

Question 46

Find K'.

Accepted Answer

(1, 4)

Answer

(4, 1))

Answer

(-1, -4)

Answer

(1, -4)

Question 47

What movie are these puppies from?

Accepted Answer

101 Dalmations

Answer

Lady and The Tramp

Answer

Bambi

Answer

Jungle Book

Question 48

What is the princesses name?

Accepted Answer

Jasmine

Answer

Ariel

Answer

Rapunzel

Answer

Belle

Question 49

Who is the character wearing the hat?

Accepted Answer

The Mad Hatter

Answer

Alice

Answer

Cheshire Cat

Answer

2 of hearts

Question 50

Who is Bambi's best friend in the picture?

Accepted Answer

Thumper

Answer

Bambi

Answer

Flower

Answer

Owl

Question 51

What movie is this picture from?

Accepted Answer

Finding Dory

Answer

Finding Nemo

Answer

Finding Math

Answer

Finding Mrs. Nagy

Question 52

Who is this character that starred in Aladdin?

Accepted Answer

Genie

Answer

Abu

Answer

Jafar

Answer

Aladdin

Question 53

What is the monkey's name in The Lion King?

Accepted Answer

Rafiki

Answer

Mufasa

Answer

Zazu

Answer

Simba

Question 54

Who is tigger's friend that is a donkey?

Accepted Answer

Eeyore

Answer

Piglet

Answer

Roo

Answer

Winnie the Pooh

Dilations

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