Unit_5_Review_Transformations_andSymmetry__002
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Jan 9, 2024
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20 - 21 Transformations/Symmetry Review
Directions:
Circle the letter of the best answer or complete the given transformation.
1.
Which transformation is not an isometry?
A.
Translation
B.
Reflection
C.
Dilation
D.
Rotation
2.
Which of the following describes the
transformation in the picture below?
A.
Reflection over the x-axis
B.
Rotation 90
°
counter-clockwise
C.
Reflection over the y-axis
D.
Translation
3.
A pre-image is located entirely in the third
quadrant.
The image of its reflection over
the x-axis will be in which quadrant?
A.
Quadrant 1
B.
Quadrant 2
C.
Quadrant 3
D.
Quadrant 4
4.
Graph the preimage and the image
of
∆
ABC under the given translation.
Write the ordered pairs of the image in
the spaces provided.
∆??? (?, ?) → (? − 4, ? + 1)
A( -5 , 8
)
→
A´(____,____)
B(
-2 , 4 )
→
B´(____,____)
C( -3 ,
2 )
→
C´(____,____)
5.
The preimage
∆
ANK is transformed by
reflecting it over the x-axis. Which ordered
pair is a vertex of the translated image?
A.
(−1,1)
B.
(−5,4)
C.
(4, −5)
D.
(1, −1)
6.
Which of the following describes the
transformation shown below?
A.
Dilation with a scale factor of 2
B.
Rotation 90
°
C.
Translation up 2units, left 1 unit
D.
Reflection across the x-axis
7.
Reflecting an image over the line given by
the equation
? = ?
is given by which of
the following rules?
A.
(?, ?) → (−?, −?)
B.
(?, ?) → (?, ?)
C.
(?, ?) → (? + ?, ? + ?)
D.
(?, ?) → (𝑘?, 𝑘?)
8.
Which of the following represents the
notation for a figure rotated 180
°
about
the origin?
A.
(?, ?) → (? + ?, ? + ?)
B.
(?, ?) → (−?, −?)
C.
(?, ?) → (? − ?, ? + ?)
D.
(?, ?) → (𝑘?, 𝑘?)
9.
The following figure has which type(s) of
symmetry?
A.
Line Symmetry
B.
Rotational Symmetry
C.
Both Line and Rotational Symmetry
D.
No Symmetry
10.
A figure with ______
rotational symmetry
is said to have point symmetry.
A.
45
°
B.
90
°
C.
180
°
D.
270
°
11.
Which of the following describes the
transformation shown below?
A.
Rotation of 180
°
B.
Reflection across the line y=x
C.
Translation left 1 unit, up 4 units
D.
Rotation of 90
°
clockwise
12.
Graph the preimage and the image
of
∆
ABC for a reflection across the x-axis.
A( 6 , 1
)
→
A´(____,____)
B(
2 , 3 )
→
B´(____,____)
C( 3 ,
−7
)
→
C´(____,____)
13. Which of the following transformations
has the same image as a rotation of 90
°
counter-clockwise?
A.
Dilation of scale factor
9
B.
Rotation of 270
°
clockwise
C.
Reflection over the y-axis
D.
Translation
(?, ?) → (? + 5, ? + 4)
.
14.
Which transformation best describes the
image of an object as viewed through a
microscope?
A.
Dilation
B.
Reflection
C.
Rotation
D.
Translation
15.
Which of the following describes the
movement of a figure that is translated
according to the rule below?
(?, ?) → (? − 7, ? + 4)
.
A.
Down 7 units and right 4 units
B.
Left 7 units and up 4 units
C.
Right 7 units and down 4 units
D.
Up 7 units and left 4 units
16.
Ivan uses a projector to enlarge a picture
5 in. high and 7 inches wide. The
projection area is 4 ft. 2 in. high and 12
feet wide. What are the dimensions, in
feet and inches, of the largest picture that
can be projected without distortion?
A.
20 ft. 5 in. by 8 ft. 2 in.
B.
50 in. by 20 in.
C.
4 ft. 2 in. by 5 ft. 10 in.
D.
4 ft. 2 in. by 12 ft.
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17.
How many lines of symmetry are there in
the figure below?
A.
None
B.
One
C.
Two
D.
Five
18.
Which of the following transformations is
not shown in the decorative pattern
below?
A.
Dilation
B.
Reflection
C.
Rotation
D.
Translation
19.
The given figure has which types of
symmetry?
A.
Line
B.
Rotational
C.
Point
D.
None
20.
The given figure has which types of
symmetry?
A.
Line only
B.
Rotational only
C.
Line, Rotational
and Point
D.
None
21. Rotate
∆𝑅𝑂𝑇 90°
clockwise about point T.
𝑅(1,5) 𝑅´( , )
𝑂(4, −6) 𝑂´( , )
𝑇(−2,1) 𝑇´( , )
22.
Reflect the triangle over the y-axis,
followed by a translation
(?, ?) → (? + 1, ? − 3)
.