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WorksheetsUnit 9 Test Review
Total questions: 55
Worksheet time: 14hrs 45mins
Name
Class
Date
1.
The original figure prior to a transformation.
a)
Pre-image
b)
Image
2.
The result of a transformation.
a)
Pre-image
b)
Image
3.
What does a translation do to an image?
a)
Turns it 90* clockwise
b)
Mirrors it
c)
Shrinks it
d)
Slides it
4.
How do you represent a translation Algebraically?
a)
(-y, -x)
b)
(x + a, y + b)
c)
(-x , -y)
d)
(ax, by)
5.
Determine how to translate triangle A'B'C' to triangle ABC.
a)
(x+2, y-5)
b)
(x+2, y-9)
c)
(x-2, y-9)
6.
Determine where X' would be if you translated X 3 units to the left and 9 units down.
a)
(-4, 4)
b)
(-10, 2)
c)
(-4, -5)
d)
(-1, 5)
7.
Determine where T' would be if you translated T 3 units to the right and 6 units up.
a)
(5, 1)
b)
(2, -5)
c)
(-1, 1)
d)
(8, -2)
8.
How was B translated to B' if B' is at (4, -2)?
a)
Translated 6 units down
b)
Translated 2 units to the left and 6 units down
c)
Translated 2 units to the right and 6 units down
d)
Translated 2 units to the right
9.
How is trapezoid ABCD translated to trapezoid A'B'C'D'?
a)
Translated 5 units down and 5 units to the right
b)
Translated 5 units down and 1 to the right
c)
Translated 8 units down and 5 units to the right
d)
Translated 5 units down and 4 units to the right
10.
How would you translate point P to P'?
a)
Translate 2 units to the right and 8 units down
b)
Translate 3 units down and 2 units to the right
c)
Translate 4 units down and 4 units to the left
d)
Translate 8 units to the right and 2 units down
11.
Where would A' be if you translated A 3 units to the right and 4 units down?
a)
(-4, 4)
b)
(-1, 0)
c)
(0, -1)
12.
Where would point J' be if you translated point J 5 units to the left and 2 units up?
a)
(5, 3)
b)
(3, -5)
c)
(-5, 3)
d)
(-3, 5)
13.
How is Quadrilateral EFGH translated to E'F'G'H'?
a)
6 down
b)
6 down, 1 right
c)
6 down, 3 left
d)
8 down, 1 right
14.
Determine how to translate triangle A'B'C' to triangle ABC.
a)
(x+2, y-5)
b)
(x+2, y-9)
c)
(x-2, y-9)
15.
What color is the x-axis?
a)
red
b)
black
c)
green
d)
white
16.
What color is the y-axis?
a)
red
b)
black
c)
green
d)
white
17.
If the dotted figure is the image, the original figure was reflected over the ...
a)
x-axis
b)
y-axis
18.
If the dotted figure is the image, the original figure was reflected over the ...
a)
x-axis
b)
y-axis
19.
State the line of reflection.
a)
Reflection across y-axis
b)
Reflection across x-axis
c)
Reflection across x = 1
d)
Reflection across y = 1
20.
Which answer shows a reflection across the x-axis?
a)
d
b)
c
c)
b
d)
a
21.
You want to reflect a figure over the horizontal line shown.
What directions would you give?
Reflect over the line: ________
What directions would you give?
Reflect over the line: ________
a)
x = -4
b)
y = -4
c)
x - y = 4
d)
None of these
22.
Reflect the point (2, -4) over the y-axis.
a)
(-4, 2)
b)
(-2, 4)
c)
(-2, -4)
d)
(2, 4)
23.
Reflect (6, -3) over the line x-axis.
a)
(6, 3)
b)
(-6, -3)
c)
(-3, 6)
d)
(3, -6)
24.
The point ( -2,5) is reflected over the line x = 1. Find its image.
a)
( 4, 5)
b)
( -2 , -5)
c)
( 2 , 5)
d)
(2 , -5)
25.
∆QRS contains the points: Q(4, 2) R(5, 1) S(3,7). If the triangle is reflected across the y-axis, what will S' be?
a)
S'(3, 7)
b)
S'(-3, 7)
c)
S'(-3, -7)
d)
S'(3, 7)
26.
Triangle ABC has vertices A(5,2). Find the coordinates of ABC after a reflection over the x-axis.
a)
A’(5, -2)
b)
A’(-5, -2)
c)
A’(-5, -2)
d)
A'(5,2)
27.
What is the rule for the following reflection?
a)
Reflection across y = 3
b)
Reflection across x = −3
c)
Reflection across x = 3
d)
Reflection across y = −3
28.
Reflections over the x-axis change the __________.
a)
y-coordinate
b)
x-coordinate
29.
Reflections over the y-axis change the ___________.
a)
y-coordinate
b)
x-coordinate
c)
y-axis
d)
x-axis
30.
Triangle GHI is reflected across the x-axis. What are the coordinates of I'?
a)
(-2, 6)
b)
(2, 6)
c)
(-6, -2)
d)
(6, 2)
31.
Triangle B is rotated 90° counterclockwise with the origin as the center of rotation to create a new figure. Which rule describes this transformation?
a)
(x,y)→(y, -x)
b)
(x,y)→(x,y)
c)
(x,y)→(-x,-y)
d)
(x,y)→(-y,x)
32.
Triangle C is rotated 180° clockwise with the origin as the center of rotation to create a new figure. Which rule describes rotating 180° clockwise?
a)
(x,y)→(y, -x)
b)
(x,y)→(-x,-y)
c)
(x,y)→(x,y)
d)
(x,y)→(-y,x)
33.
Triangle A is rotated 270° counterclockwise with the origin as the center of rotation to create a new figure. Which rule describes rotating 270° counterclockwise?
a)
(x,y)→(y, -x)
b)
(x,y)→(x,y)
c)
(x,y)→(-y,x)
d)
(x,y)→(-x,-y)
34.
Which rule describes rotating 90° clockwise?
a)
( x, y ) → ( y, -x )
b)
( x, y ) → ( -x, -y )
c)
( x, y) → ( x, y )
d)
( x, y ) → ( -y, x )
35.
Which rule describes rotating 270° clockwise?
a)
( x, y ) → ( y, -x )
b)
( x, y ) → ( -x, -y )
c)
( x, y) → ( x, y )
d)
( x, y ) → ( -y, x )
36.
If you were to rotate ABCD 180° about the origin, what would the coordinate of A' be?
a)
(-5, 5)
b)
(-3, -5)
c)
(-5, 3)
d)
(-3, 3)
37.
Rotate the point (-5,8) around the origin 270 degrees counterclockwise. State the image of the point.
a)
(-8,5)
b)
(8,-5)
c)
(8,5)
d)
(5,-8)
38.
Rotate the point (7,8) around the origin 90 degrees counterclockwise.
State the image of the point.
State the image of the point.
a)
(-7,-8)
b)
(8,-7)
c)
(-8,7)
d)
(8,7)
39.
Rotate the point (-3,-4) around the origin 180 degrees clockwise. State the image of the point.
a)
(-4,-3)
b)
(-4,3)
c)
(4,-3)
d)
(3,4)
40.
Rotate the point (5,5) around the origin 180 degrees counterclockwise. State the image of the point.
a)
(5,-5)
b)
(5,5)
c)
(-5,5)
d)
(-5,-5)
41.
If you were to rotate ABCD 90° counterclockwise about the origin, what would the coordinate of A' be?
a)
(-5, 5)
b)
(-3, 5)
c)
(-5, 3)
d)
(-3, 3)
42.
Triangle A is rotated 90° clockwise with the origin as the center of rotation to create a new figure. Which triangle shows the new location?
a)
A
b)
B
c)
C
d)
D
43.
Triangle B is rotated 90° clockwise with the origin as the center of rotation to create a new figure. Which triangle shows the new location?
a)
A
b)
B
c)
C
d)
D
44.
Triangle D is rotated 270° counterclockwise with the origin as the center of rotation to create a new figure. Which triangle shows the new location?
a)
A
b)
B
c)
C
d)
D
45.
Triangle D is rotated 180° clockwise with the origin as the center of rotation to create a new figure. Which triangle shows the new location?
a)
A
b)
B
c)
C
d)
D
46.
A dilation is which of the following:
a)
only an enlargement
b)
only a reduction
c)
either an enlargement or a reduction
d)
neither an enlargement nor a reduction
47.
Did the image enlarge, reduce or none of the above?
a)
Enlarge
b)
Reduce
c)
None of the above
48.
Does the image show a Dilation? If yes, did the image enlarge, reduce or none of the above?
a)
Yes, enlarge
b)
Yes, reduce
c)
No
49.
What scale factor was used to produce the image?
a)
2
b)
3
c)
1/3
d)
1/2
50.
What scale factor was used to produce the image?
a)
1
b)
7
c)
18
d)
49
51.
What scale factor was used to produce the image?
a)
2
b)
-2
c)
1/2
d)
1
52.
State the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2.
a)
(5,3)
b)
(20,12)
c)
(-20,-12)
d)
(-5,-3)
53.
If a line segment has a length of 12 units and after a dilation the image length is 4 units, what was the scale factor?
a)
3
b)
1/3
c)
8
54.
The __________ is the ratio of a length of the new figure to the corresponding length on the original figure.
a)
reduction
b)
enlargement
c)
scale factor
d)
center of dilation
55.
If a dilation produces a congruent figure, then the scale factor was equal to _____.
a)
1/2
b)
2
c)
10
d)
1
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