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WorksheetsFlashback Friday Geometry Units 1-3
Total questions: 78
Worksheet time: 3hrs 52mins
Name
Class
Date
1.
A slide is also called a _________.
a)
Translation
b)
Reflection
c)
Rotation
d)
Transformation
2.
A turn is also called a ___________.
a)
Translation
b)
Reflection
c)
Rotation
d)
Transformation
3.
Name the transformation.
a)
Translation
b)
Reflection
c)
Rotation
4.
The image shows what type of transformation
a)
Rotation
b)
Translation
c)
Reflection
5.
What is this picture an example of?
a)
An angle
b)
A cat vertex
c)
Rotation
6.
What transformation is happening to the red triangle to get to the blue triangle?
a)
Translation
b)
Rotation
c)
Reflection
7.
Identify the transformation.
a)
Reflection across y axis
b)
Reflection across x-axis
c)
180 Rotation
d)
Translation 2 units down
8.
Identify the transformation.
a)
Reflection across y-axis
b)
90 Rotation counter clockwise
c)
Translation 5 units left, 1 unit up.
d)
Translation 5 units right, 1 unit down
9.
Write a rule for the translation.
a)
(x -1, y + 2)
b)
(x -2, y + 1)
c)
(x +2, y - 1)
d)
(x +1, y - 2)
10.
Point (-5,2) is reflected over the y axis. Where is the new point located?
a)
(5,2)
b)
(-5,-2)
c)
(-5,2)
d)
(5,-2)
11.
Which of the following describes the sequence of transformations shown?
a)
Reflect across the x-axis and then rotate -90 degrees around the origin
b)
Rotate -90 degrees around the origin and then translate down.
c)
Reflect across the x-axis and then reflect across the y-axis.
d)
Translate up and then rotate 90 degrees about the origin.
12.
Which answer shows a reflection across the y-axis?
a)
a
b)
b
c)
c
d)
d
13.
Find K' if the figure is reflected across the x-axis
a)
(4, 1))
b)
(-1, -4)
c)
(1, -4)
d)
(1, 4)
14.
What is the algebraic notation of a figure is Translated 9 units right and 3 units down?
a)
(x, y) --> (x - 9, y + 3)
b)
(x, y) --> (x + 9, y - 3)
c)
(x, y) --> (x + 3, y - 9)
d)
(x, y) --> (9x, 3y)
15.
The dashed figure is the image of the solid figure. What is the Algebraic Notation for the Translation?
a)
(x, y) --> (x - 7, y + 4)
b)
(x, y) --> (x + 7, y - 4)
c)
(x, y) --> (x + 4, y - 7)
d)
(x, y) --> (7x, 4y)
16.
What is this picture an example of?
a)
An angle
b)
A cat vertex
c)
Rotation
d)
Dilation
17.
Dilate Point B by a scale factor of 1/2
a)
(1.5,-4)
b)
(-1.5,1)
c)
(-1,-1.5)
d)
(-2,-2)
18.
Which of the following is the algebraic representation for a dilation?
a)
(x, y) → (x, 3y)
b)
(x, y) → (3x, 3y)
c)
(x, y) → (x, y - 3)
d)
(x, y) → (.5x, .4y)
19.
a)
A
b)
B
c)
C
d)
D
20.
What is Dilation?
a)
Dilation means to enlarge or reduce
b)
Dilation means to reflect on something
c)
Dilation means to like something
d)
Dilation means to make something different by making it smaller
21.
A scale factor of less than one means
a)
that the prime image will be larger than the pre-image.
b)
That the prime image will be the same as the preimage.
c)
That you need to subtract that amount off of each side.
d)
That the prime image will be a reduction of the preimage.
22.
Definition: The figure before a transformation has occurred.
a)
Pre-image
b)
Image
c)
Translation
d)
Reflection
23.
Definition: The figure after a transformation has occurred.
a)
Pre-image
b)
Image
c)
Translation
d)
Reflection
24.
The __________ is the ratio of a length of the image to the corresponding length on the original figure.
a)
reduction
b)
enlargement
c)
scale factor
d)
center of dilation
25.
A triangle has vertices with coordinates (2,0), (3, -1) and (-2,-5). If the triangle is dilated by a scale factor of 3 with the origin as the center of dilation, what are the coordinates of the vertices of the image?
a)
(5,3), (6,2), (1,-2)
b)
(6,0), (9,-3), (-6,-15)
c)
(2/3,0), (1,-1/3), (-2/3,-5/3)
d)
(-1,-3), (0,-4), (-5,-8)
26.
Does the image show a dilation?
a)
Yes
b)
No
27.
Does the image show a Dilation?
a)
Yes
b)
No
28.
A triangle has vertices A(0,0), B(8,0), C(3,-2). Find the coordinates of the triangle after a dilation with a scale factor of 4. The dilation is (X,Y) --- (4x,4y)
a)
A(3,3), B(4,4), C(-3,-4)
b)
A(-4,8), B(6.5,8), C(7,7)
c)
A(0,0), B(32,0), C(12,-8)
29.
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)
30.
a)
1/2
b)
3/2
c)
2
d)
1
31.
a)
(-2,-2)
b)
(0,0)
c)
(1,1)
d)
(-2,-1)
32.
Dilate Point A by a scale factor of 1/2
a)
(-4,-4)
b)
(-1,-4)
c)
(-1,-1)
d)
(-2,-2)
33.
Choose the correct scale factor:
a)
2
b)
3
c)
1/3
d)
1/2
34.
(x, y) -> (2x, 2y)
What is the coefficient 2 mean?
What is the coefficient 2 mean?
a)
plot 2 to the right and 2 up
b)
scale factor is 2 creating a new figure half the size
c)
scale factor is 2 making a figure twice the
original
original
d)
I don't understand this question : (
35.
What is the value of X?
a)
X=4
b)
X=6
c)
X=3
d)
X=2
36.
Are the triangles similar?
a)
Yes
b)
No
37.
Are the triangles similar?
a)
Yes
b)
No
38.
Similarity Ratio: _
a)
2/3
b)
1/2
c)
2
d)
3
39.
When you dilate a figure you...
a)
slide it.
b)
turn it.
c)
flip it.
d)
make it larger or smaller.
40.
Find x
a)
21
b)
27/7
c)
13
d)
18
41.
Which of the following is NOT true about similar figures?
a)
A) Similar figures always have the same shape.
b)
B) Similar figures always have the same size.
c)
C) Similar figures always have corresponding angles that are equal.
d)
D) Similar figures always have corresponding sides that are proportional.
42.
If two figures are similar, the corresponding sides are ______________.
a)
equal
b)
congruent
c)
proportional
d)
none of these
43.
ΔSQR∼ΔSPT. Which choice below lists two corresponding sides?
a)
SP and SR
b)
QS and PT
c)
PS and RS
d)
TP and RQ
44.
If two figures are similar their angles are______.
a)
proportional
b)
congruent
c)
supplementary
d)
complementary
45.
Choose the similarity statement for the triangles.
a)
ΔMNL ∼ ΔOPQ
b)
ΔNOM ∼ ΔPQL
c)
ΔLMN ∼ ΔPQO
d)
ΔMLN ∼ ΔPQO
46.
Give the reason for similarity
a)
AA
b)
SAS
c)
SSS
d)
Not similar
47.
Why are the triangles similar?
a)
AA
b)
SAS
c)
SSS
d)
Not similar
48.
Calculate the value of the scale factor between the 2 triangles
a)
2.5
b)
3
c)
3.5
d)
4
49.
Solve for x. The two figures are similar.
a)
x = 6
b)
x = 9
c)
x = 7
d)
x = `0
50.
a)
AAA
b)
SAS
c)
SSS
d)
SSA
51.
a)
ASA
b)
SAS
c)
SSA
52.
a)
ASA
b)
SAS
c)
SAA
53.
a)
SAS
b)
SSA
54.
a)
SAS
b)
SAA
c)
ASA
d)
AAA
55.
Which is NOT a Shortcut that proves triangles congruent?
a)
SAA
b)
SSS
c)
SSA
d)
SAS
56.
Are these triangles congruent? If so, state the rule which you used to determine congruence.
a)
Yes by ASA
b)
Yes by AAS
c)
Yes by SSA
d)
Not congruent
57.
Name the postulate, if possible, that makes the triangles congruent.
a)
SSS
b)
SAS
c)
ASA
d)
Not Possible
58.
Name the postulate, if possible, that makes the triangles congruent.
a)
SSS
b)
ASA
c)
AAS
d)
Not Possible
59.
Name the postulate, if possible, that makes the triangles congruent.
a)
SSS
b)
SAS
c)
AAS
d)
Not Possible
60.
Name the postulate, if possible, that makes the triangles congruent.
a)
SSS
b)
SAS
c)
ASA
d)
AAS
61.
Name the postulate, if possible, that makes the triangles congruent. Given: AM ≈ MB and everything that is marked congruent.
a)
SAS
b)
ASA
c)
AAS
d)
HL
62.
Name the postulate, if possible, that makes the triangles congruent.
a)
SSS
b)
SAS
c)
AAS
d)
Not Possible
63.
a)
SAS
b)
None
c)
SSS
d)
ASA
64.
Find the value of tan A.
a)
17/8
b)
17/15
c)
8/17
d)
8/15
65.
Find the value of cos X.
a)
3/5
b)
3/4
c)
4/5
d)
4/3
66.
Find the value of sin Z.
a)
17/8
b)
8/15
c)
17/15
d)
15/17
67.
What would be the next step to solve for x?
a)
Multiply both sides by cos 75
b)
Divide both sides by cos 75
c)
Divide both sides by 75
d)
Multiply both sides by 11
68.
Which of the following represents the value of x?
a)
10/sin 47
b)
10*tan 47
c)
10*sin 47
d)
10/tan 47
69.
What is the measure of the angle adjacent to x?
a)
46
b)
44
c)
90
d)
24
70.
Which equation would be used to solve for x?
a)
tan 44 = x/15
b)
cos 44 = x/15
c)
cos 44 = 15/x
d)
tan 44 = 15/x
71.
Find the measure of the missing angle.
a)
64o
b)
26o
c)
61o
d)
.008o
72.
What is the correct equation?
a)
sin 40 = w/28
b)
cos 40 = w/28
c)
tan 40 = w/28
d)
sin 40 = 28/w
73.
Find the measure of the missing angle.
a)
49o
b)
50o
c)
41o
d)
33o
74.
Find the measure of the indicated angle (?) round to the nearest tenth.
a)
9.4
b)
55.2
c)
20.15
d)
19.4
75.
Which Trig function do you use?
a)
Sine
b)
Cosine
c)
Tangent
76.
Solve for x. Round to the nearest tenth.
a)
9.8
b)
0.1
c)
0.038
d)
9.9
77.
Solve for the missing distance.
a)
18.9
b)
19.5
c)
47.3
d)
27.5
78.
Find x.
a)
46.1
b)
4.90
c)
16.4
d)
26.9
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