Quiz about Unit 7: Transformations of Shapes and Figures

Question 1

What does it mean to transform a shape or figure?

Accepted Answer

To change it

Answer

To rotate it

Answer

To color it

Answer

To copy it

Question 2

What is the figure before a transformation called?

Accepted Answer

The pre-image

Answer

The post-image

Answer

The sub-image

Answer

The anti-image

Question 3

What is the new figure called after a transformation?

Accepted Answer

The image

Answer

The pre-image

Answer

The post-image

Answer

The original figure

Question 4

If the pre-image were labeled A, how would the image be labeled?

Accepted Answer

A'

Answer

A

Answer

A''

Answer

B

Question 5

A translation can move a figure _____.

Accepted Answer

left or right and up or down

Answer

only left or right

Answer

only up or down

Answer

in a circular path

Question 6

What is the algebraic representation of the translation that maps point M from (12, 7) to M' at (-1, 14)?

Accepted Answer

(x - 13, y + 7)

Answer

(x + 13, y - 7)

Answer

(x - 7, y + 4)

Answer

(x + 1, y + 10)

Question 7

What is the algebraic representation of the translation that maps point N from (-6, -8) to N' at (-5, 2)?

Accepted Answer

(x + 1, y + 10)

Answer

(x - 1, y - 10)

Answer

(x + 10, y + 10)

Answer

(x - 6, y - 7)

Question 8

If triangle KLM is translated 9 units right and 9 units down, what is the algebraic rule for this translation?

Accepted Answer

(x + 9, y - 9)

Answer

(x - 9, y + 9)

Answer

(x + 9, y + 9)

Answer

(x - 9, y - 9)

Question 9

What happens to a figure when it is reflected over a line of reflection?

Accepted Answer

It flips over the line of reflection.

Answer

It rotates around the line of reflection.

Answer

It moves parallel to the line of reflection.

Answer

It shrinks in size compared to the original figure.

Question 10

After reflecting a figure over the x-axis, how do the y-values of each vertex change?

Accepted Answer

The y-values become their opposite.

Answer

The y-values double.

Answer

The y-values stay the same.

Answer

The y-values become zero.

Question 11

When a figure is reflected over the x-axis, how do the x-values of each vertex change?

Accepted Answer

The x-values stay the same.

Answer

The x-values become their opposite.

Answer

The x-values double.

Answer

The x-values become zero.

Question 12

What is the algebraic representation of a reflection over the y-axis?

Accepted Answer

(-x, y)

Answer

(x, y)

Answer

(x, -y)

Answer

(-x, -y)

Question 13

If a figure is reflected over the x-axis, which of the following algebraic representations is correct?

Accepted Answer

(x, -y)

Answer

(x, y)

Answer

(-x, y)

Answer

(-x, -y)

Question 14

A figure is reflected from quadrant I to IV. What is the line of reflection?

Accepted Answer

x-axis

Answer

y-axis

Answer

Line y = 1

Answer

Line x = 1

Question 15

Point Z(-5, 7) is reflected to Z'(-5, -7). What is the line of reflection?

Accepted Answer

x-axis

Answer

y-axis

Answer

Line y = 7

Answer

Line x = -5

Question 16

Determine how to translate triangle ABC to triangle A'B'C'.

Accepted Answer

left 2, up 9

Answer

right 2, down 5

Answer

right 2, down 9

Answer

left 2, down 9

Question 17

Which answer shows a reflection across the y-axis?

Accepted Answer

d

Answer

a

Answer

b

Answer

c

Question 18

How many degrees was the figure rotated?

Accepted Answer

180 degrees

Answer

90 degrees counterclockwise

Answer

270 counterclockwise

Question 19

If the quadrilateral is translated 4 units to the left and 5 units down what is the coordinates for Point A'?

Accepted Answer

(0,4)

Answer

(4,0)

Answer

(-1,5)

Answer

(5,-1)

Question 20

Determine where X' would be if you translated X 3 units to the left and 9 units down.

Accepted Answer

(-4, -5)

Answer

(-4, 4)

Answer

(-10, 2)

Answer

(-1, 5)

Question 21

Translations, reflections and rotations are all known as ________________________.

Accepted Answer

Transformations

Answer

Geometry

Answer

Congruent

Question 22

Point (-5,2) is reflected over the y axis.  Where is the new point located?

Accepted Answer

(5,2)

Answer

(-5,-2)

Answer

(-5,2)

Answer

(5,-2)

Question 23

What direction is the x-axis?

Accepted Answer

horizontal

Answer

vertical

Answer

diagonal

Answer

straight

Question 24

A slide is also called a _________.

Accepted Answer

Translation

Answer

Reflection

Answer

Rotation

Answer

Transformation

Question 25

Identify the transformation from ABCD to A'B'C'D'.

Accepted Answer

Translation

Answer

Reflection across the y-axis

Answer

Reflection across the x-axis

Answer

90^o counter clockwise Rotation

Question 26

Is the picture being reflected in the y-axis or x-axis?

Accepted Answer

y-axis

Answer

x-axis

Question 27

Describe the transformation in the image.

Accepted Answer

Rotation

Answer

Translation

Answer

Reflection

Question 28

Describe the transformation.

Accepted Answer

rotation 180 degrees about the origin

Answer

translation: right 3 and down 2

Answer

felfection across y=-x

Answer

rotation 90 degrees clockwise about the origin

Question 29

Identify the correct picture which represents a 90^o clockwise rotation about the origin.

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 30

The center of rotation is located ________ of figure J

Accepted Answer

Outside

Answer

Inside

Answer

on the vertex of

Question 31

Which features of the figures stay the same (choose all that apply)

Accepted Answer

the size

Accepted Answer

the shape

Answer

The location

Answer

the direction

Question 32

The mathematical term for the line that you reflect a shape over is the...

Accepted Answer

Line of reflection

Answer

Mirror

Answer

Reflective tape

Answer

Line that you reflect over

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