Name:
chapter 9
Date:
1
In the diagram, figure RQTS is the image of figure DEFC after a rigid motion.
Name the image of F.
A
B
C
D
2
T
R
Q
S
In the diagram, figure RQTS is the image of figure DEFC after a rigid motion.
Name the image of
.
A
B
C
D
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chapter9
3
Which graph shows T< -3.3, (!::.ABC) ?
A
B
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Page 2 of17
chapter9
c
D
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Page 3 of17
chapter9
4
Which graph shows T< -1.2, (!::.ABC)?
A
B
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Page 4 of17
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C
D
5
Describe in words the translation of X represented by the translation rule
A
B
C
D
6
.
2 units to the left and 8 units up
2 units to the right and 8 units down
8 units to the left and 2 units down
2 units to the right and 8 units up
Use a translation rule to describe the translation of X that is 5 units to the left and 7 units up.
A
B
C
D
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chapter 9
7
What is a rule that describes the translation
?
A
B
C
D
8
The vertices of a triangle are P(–8, 6), Q(1, –3), and R(–6, –3). Name the vertices of
.
A
B
C
D
9
The vertices of a triangle are P(–3, 8), Q(–6, –4), and R(1, 1). Name the vertices of
.
A
B
C
D
10
Write a rule in function notation to describe the transformation that is a reflection across the x-axis.
A
B
C
D
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chapter9
11
Which graph shows a triangle and its reflection image over the x-axis?
A
B
c
D
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12
Which type of isometry is the equivalent of two reflections across intersecting lines?
A
B
C
D
13
glide reflection
rotation
reflection
none of these
The glide reflection
A
B
C
D
maps the point P to (4, 3). Find the coordinates of P.
(–2, 0)
(1, –3)
(0, 2)
(–8, –4)
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chapter9
14
Find the glide reflection image of the black triangle for the composition (R,_l • T<o.-1>).
A
B
c
D
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15
16
The dashed-lined figure is a dilation image of EFGH. Is
is the scale factor n of the dilation?
A
B
C
n = 6; enlargement
n = 3; enlargement
n = 3; reduction
D
n = ; reduction
an enlargement or a reduction? What
The dashed-lined figure is a dilation image of
with center of dilation P (not shown). Is
an enlargement, or a reduction? What is the scale factor n of the dilation?
A
reduction;
n=2
reduction;
B
C
n=
enlargement;
n=2
reduction;
D
n=
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Page 10 of 17
chapter 9
17
The dashed triangle is a dilation image of the solid triangle. What is the scale factor?
A
B
C
D
18
2
What composition of rigid motions and a dilation maps EFGH to the dashed figure?
A
B
C
D
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Page 11 of 17
chapter 9
19
What composition of rigid motions and a dilation maps EFGH to the dashed figure?
A
B
C
D
20
What is a rule that describes the translation that maps triangle ABC onto triangle
?
A
B
C
D
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Page 12 of 17
chapter 9
21
What is a rule that describes the translation that maps QRST onto
?
A
B
C
D
22
Triangle ABC has vertices
, and
What are the coordinates of the vertices of triangle
.
.
?
A
B
C
D
23
Point D has coordinates (4, 1). What are the coordinates of
?
A
B
C
D
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chapter 9
24
What are the coordinates of triangle (ABC) when reflected across the y-axis?
A
B
C
D
25
Triangle RST has vertices
, and
image of each vertex for the given rotation.
A
, and
B
, and
C
, and
D
, and
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. Find the coordinates for the
Page 14 of 17
chapter 9
26
What are the vertices of the image of triangle
for the glide reflection
? Triangle ABC has vertices
.
A
B
C
D
27
Which is a congruence transformation that maps triangle
to triangle
?
A
B
C
D
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chapter 9
28
Is
of the dilation?
A
B
C
D
29
an enlargement or a reduction? What is the scale factor n
enlargement, 1.5
enlargement, 0.5
reduction, 1.5
reduction, 2.5
Quadrilateral WXYZ has coordinates W(–3, 2), X(1, 3), Y(2, -2), and Z(–1, –2). What are the
coordinates of the vertices of
?
A
B
C
D
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chapter 9
30
Triangle BCD has vertices B(–8, 3), C(–4, 6), and D(2, 0). If the triangle is reflected across
the x-axis and dilated by a scale factor of 0.5 with respect to the origin, what are the
coordinates of the vertices of triangle
?
A
B
C
D
31
Which sequence of transformations maps triangle
to triangle
?
A
B
C
D
32
Are the figures below similar? Explain.
A
B
C
D
Yes, there is a similarity transformation: translation, then rotation.
Yes, there is a similarity transformation: translation, then dilation.
No, there is not a similarity transformation between the figures.
Yes, there is a similarity transformation: translation, rotation, then dilation.
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Page 17 of 17