Quiz about Transformations, Dilations and Similarity

Question 1

True or false, when a figure is dilated, the corresponding sides are proportional?

Accepted Answer

True

Answer

False

Question 2

True or false, when a figure is dilated, the corresponding angles are congruent?

Accepted Answer

True

Answer

False

Question 3

True or false, when a figure is dilated, the new perimeter is always greater?

Accepted Answer

False

Answer

True

Question 4

True or false, when a figure is dilated, the new area is always greater?

Accepted Answer

False

Answer

True

Question 5

True or false, when a figure is dilated, the new area are proportional?

Accepted Answer

False

Answer

True

Question 6

True or false, when a figure is dilated, the new perimeters are proportional?

Accepted Answer

True

Answer

False

Question 7

Does the image show a Dilation?

Accepted Answer

Yes

Answer

No

Question 8

Does the image show a dilation?

Accepted Answer

No

Answer

Yes

Question 9

Question 9.

Accepted Answer

3/2

Answer

1/2

Answer

2

Answer

2/3

Question 10

Dilate Point A by a scale factor of 1/2

Accepted Answer

(-1,-1)

Answer

(-4,-4)

Answer

(-1,-4)

Answer

(-2,-2)

Question 11

Triangle ABC is reflected over the y axis then translated using the rule (x-2, y-3) where is point C?

Accepted Answer

(-1,-1)

Answer

(-4,-4)

Answer

(1,2)

Answer

(-2,-2)

Question 12

What algebraic representation could be used to represent the dilation?

Accepted Answer

(3/2x, 3/2y)

Answer

(x+1.5, y+1.5)

Answer

(2/3x, 2/3y)

Answer

(2x, 2y)

Question 13

Which statement below is true about similar figures?

Accepted Answer

Corresponding angles are congruent and sides are proportional.

Answer

Corresponding sides are congruent and angles are proportional.

Answer

Corresponding angles and sides are congruent.

Answer

Corresponding angles and sides are proportional.

Question 14

Choose the correct scale factor:

Accepted Answer

2

Answer

3

Answer

1/3

Answer

1/2

Question 15

(x, y) -> (2x, 2y)
What is the coefficient 2 mean?

Accepted Answer

scale factor is 2 making a figure twice the
original

Answer

plot 2 to the right and 2 up

Answer

scale factor is 2 creating a new figure half the size

Answer

I don't understand this question : (

Question 16

Which answer shows a reflection across the y-axis?

Accepted Answer

d

Answer

a

Answer

b

Answer

c

Question 17

A scale factor of less than one means

Accepted Answer

That the prime image will be a reduction of the preimage.

Answer

that the prime image will be larger than the pre-image.

Answer

That the prime image will be the same as the preimage.

Answer

That you need to subtract that amount off  of each side.

Question 18

Question 18.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 19

Question 19.

Accepted Answer

H

Answer

F

Answer

G

Answer

J

Question 20

What would be the value of x?

Accepted Answer

8

Answer

2

Answer

4

Answer

6

Question 21

True or false, triangle ABC is congruent to triangle DEF?

Accepted Answer

False

Answer

True

Question 22

True or false, the ratios of the distance between the dilation point to each corresponding point is proportional.

Accepted Answer

True

Answer

False

Question 23

Question 23.

Accepted Answer

Yes, similar

Answer

No, not similar

Question 24

True or false, the distance from point B to point E is equal to point A to point D

Accepted Answer

False

Answer

True

Question 25

Which is FALSE about dilations?

Accepted Answer

The angles of the shape get larger or smaller.

Answer

The shape is the same.

Answer

The size changes.

Answer

The sides of the shape get larger or smaller.

Question 26

Question 26.

Accepted Answer

The perimeter of the new rectangle will be 2.5 times as large as the perimeter of the original rectangle.

Answer

The perimeter of the new rectangle will be the same as the perimeter of the original rectangle.

Answer

The perimeter of the new rectangle will be 5 times as large as the perimeter of the original rectangle.

Answer

The perimeter of the new rectangle will be 6.25 times as large as the perimeter of the original rectangle.

Question 27

Question 27.

Accepted Answer

112 inches

Answer

32 inches

Answer

64 inches

Answer

392 inches

Question 28

Mrs. Martinez has a picture that measures 3 inches by 3 inches.  If she decides to enlarge the picture by a scale factor of 2.5, what would be the length of each side of the dilated picture?

Accepted Answer

7.5 inches

Answer

75 inches

Answer

5.5 inches

Answer

4 inches

Question 29

Question 29.

Accepted Answer

3/2

Answer

3/5

Answer

2/3

Answer

3

Question 30

Mrs. Martinez has a picture that has an area of 12 square inches.  If she decides to enlarge the picture by a scale factor of 2.5, what would be the new area?

Accepted Answer

75

Answer

30

Answer

360

Answer

24

Question 31

Question 31.

Accepted Answer

No, not similar

Answer

Yes, similar

Question 32

Reflections over the x-axis change the sign of the ____-__________.

Accepted Answer

y-coordinate

Answer

x-coordinate

Answer

y-axis

Answer

x-axis

Question 33

Reflecting over the y-axis changes the sign of the ____-_____________.

Accepted Answer

x-coordinate

Answer

x-axis

Answer

y-coordinate

Answer

none of the above

Question 34

Rule: (x,y) --> (x,-y)

Accepted Answer

reflects a figure over the x axis

Answer

translates a figure down

Answer

rotates a figure 90 degrees counterclockwise

Answer

reflects a figure over the y axis

Question 35

A triangle has coordinates of A(-8, 4), B(-4, 2) and C(-3, -3).  The image has coordinates of A'(0, 8), B'(4, 6) and C'(5, 1) what transformation occurred?

Accepted Answer

Translation

Answer

Dilation

Answer

Reflection

Answer

Rotation

Question 36

A triangle has coordinates of A(-8, 4), B(-4, 2) and C(-3, -3).  The image has coordinates of A'(8, -4), B'(4, -2) and C'(3, 3) what transformation occurred?

Accepted Answer

Rotation

Answer

Dilation

Answer

Reflection

Answer

Translation

Question 37

A triangle has coordinates of A(-8, 4), B(-4, 2) and C(-3, -3).  The image has coordinates of A'(8, 4), B'(4, 2) and C'(3, -3) what transformation occurred?

Accepted Answer

Reflection

Answer

Dilation

Answer

Rotation

Answer

Translation

Question 38

Which of the following preserves orientation?

Accepted Answer

(x+2, y-2)

Answer

(-x, -y)

Answer

(-x, y)

Answer

(-y, x)

Question 39

Which of the following does NOT preserves congruence?

Accepted Answer

(.5x, .5y)

Answer

(x+2, y-2)

Answer

(-x, -y)

Answer

(-y, x)

Question 40

A triangle has coordinates of A(-8, 4), B(-4, 2) and C(-3, -3).  The image has coordinates of A'(-1.6, 0.8), B'(-0.8, 0.4) and C'(-0.6, --0.6) what scale factor was used?

Accepted Answer

1/5

Answer

2

Answer

1/2

Answer

1/3

Question 41

Tell whether the two figures are congruent.

Accepted Answer

Yes, same size and same shape

Answer

No, same shape but different sizes

Answer

No, different size and different shapes

Question 42

Find the measure of the indicated angle.

Accepted Answer

40 degrees

Answer

35 degrees

Answer

25 degrees

Answer

30 degrees

Question 43

Line a and Line m are parallel lines cut by the transversal, line t.  Determine the measure of angle x.

Accepted Answer

100

Answer

80

Answer

110

Answer

115

Question 44

Determine the value of angle x.

Accepted Answer

23

Answer

90

Answer

42

Answer

71

Question 45

Determine the value of angle y.

Accepted Answer

71

Answer

67

Answer

75

Answer

42

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