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Worksheets7th Math Honors Transformations Review
Total questions: 37
Worksheet time: 1hrs 7mins
Name
Class
Date
1.
A transformation in which a graph or geometric figure is picked up and moved to another location without any change in size or orientation.
a)
Translation
b)
Rotation
c)
Reflection
d)
Dilation
2.
Write the rule for this translation:
Slide 3 up and 2 right
Slide 3 up and 2 right
a)
(x, y)---->(x + 3, y + 2)
b)
(x, y)-----> (x+2, y + 3)
c)
(x, y)----> (x - 2, y + 3)
3.
When a figure is translated down what happens?
a)
You subtract from the y-value
b)
You add to the y-value
c)
You subtract from the x-value
d)
You add to the x-value
4.
Which answer shows a reflection across the y-axis?
a)
a
b)
b
c)
c
d)
d
5.
If a Scale Factor is between 0 and 1, then your figure gets...
a)
Smaller
b)
Bigger
c)
Turned upside-down
d)
Does not change
6.
If a Scale Factor if greater than 1, then your figure gets...
a)
Smaller
b)
Bigger
c)
Turned upside-down
d)
Does not change
7.
A turn is also called a ___________.
a)
Translation
b)
Reflection
c)
Rotation
d)
Transformation
8.
Name the transformation.
a)
Translation
b)
Reflection
c)
Rotation
d)
Dilation
9.
When you translate, you ______ a number to x and y.
a)
Add or subtract
b)
Multiply or divide
c)
Add or multiply
d)
Subtract or divide
10.
Translation always create _______ images
a)
Congruent
b)
Bigger
c)
Smaller
d)
Rotated
11.
Identify the transformation from ABC to A'B'C'.
a)
90o clockwise rotation
b)
90o counterclockwise rotation
c)
Reflection across the y-axis
d)
Reflection across the x-axis
12.
Describe the Transformation
a)
Reflection over y=x
b)
Rotation 90 degrees clockwise
c)
Rotation 90 degrees counterclockwise
d)
Translation
13.
Reflecting over the y-axis changes the ____-_____________.
a)
x-axis
b)
x-coordinate
c)
y-coordinate
d)
none of the above
14.
Which statement is FALSE about reflections?
a)
Reflections create congruent images.
b)
In a reflection, the image is the same distance from the line of reflection as the pre-image.
c)
Reflections preserve orientation.
d)
Reflections preserve size.
15.
Which statement is FALSE about dilations?
a)
Dilations preserve size.
b)
Dilations preserve shape.
c)
Dilations preserve orientation.
d)
Dilations can make smaller or larger images.
16.
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)
17.
The point Z(4, -2) is rotated 180 degrees about the origin. What is the image of Z?
a)
Z'(2, 4)
b)
Z'(-4, 2)
c)
Z'(-2, -4)
d)
Z'(-4, -2)
18.
An office supply store sells index cards in two different sizes. The large size is an enlargement of the small size. Both sizes are shown. Find the scale factor of the enlargement.
a)
2
b)
3
c)
4
d)
5
19.
All angles in similar figures are congruent.
a)
True
b)
False
20.
Reflect the point (-1, 2) over the y-axis.
a)
(-1, -2)
b)
(1, 2)
c)
(1, -2)
d)
(1, 4)
21.
Translate the point A (-3, 4) right 5 and up 1
a)
(-2, 9)
b)
(-8, 5)
c)
(8, 3)
d)
(2, 5)
22.
How does reflecting a figure over the y-axis change the ordered pair?
a)
Changes the x-coordinate
b)
Changes the y-coordinate
23.
Describe the transformation shown in the graph.
a)
Reflect over x-axis
b)
Reflect over y-axis
c)
Rotate 270 degrees CCW
d)
Rotate 90 degress CCW
24.
Identify the transformation from ABC to A'B'C'.
a)
(x+8, y+4)
b)
(x-8, y-4)
c)
(x+4, y+8)
d)
(x-4, y-8)
25.
If the triangle is transformed following the rule (x,y)⊣(x,-y), what transformation is modeled?
a)
Dilation
b)
Reflection
c)
Translation
d)
Rotation
26.
Name the image of C(6, -4) under a rotation 90 degrees counterclockwise about the origin.
a)
C'(4, 6)
b)
C'(-4, -6)
c)
C'(6, 4)
d)
C'(-6, -4)
27.
Find the value of x (to the nearest whole number)
a)
5
b)
7
c)
9
d)
11
28.
The figures are similar. Find x.
a)
18.5
b)
30.5
c)
20.5
d)
16.5
29.
Which algebraic expression represents a dilation?
a)
(x,y)->(-x,-y)
b)
(x,y)->(x+5,y-8)
c)
(x,y)->(5x,5y)
d)
(x,y)->(-y,x)
30.
What is the scale factor of the dilation?
a)
5/2
b)
3/2
c)
7/2
d)
2/3
31.
What axis is the triangle being reflected over?
a)
X-axis
b)
Y-axis
32.
The point Z(4, -2) is rotated 180 degrees about the origin. What is the image of Z?
a)
Z'(2, 4)
b)
Z'(-4, 2)
c)
Z'(-2, -4)
d)
Z'(-4, -2)
33.
Identify the transformation from triangle C to triangle D.
a)
90o Counter clockwise Rotation
b)
180o Rotation
c)
270o Counter clockwise Rotation
d)
360o Rotation
34.
If you were to rotate ABCD 90° clockwise about the origin, what would be the coordinate of A'?
a)
(-5, 3)
b)
(3, -5)
c)
(5, -3)
d)
(-3, -5)
35.
What is the scale factor from ΔABC to ΔDEF?
a)
1/2
b)
7/3
c)
2
d)
10/3
36.
What scale factor was used to produce the image?
a)
2
b)
-2
c)
1/2
d)
1
37.
Solve for X.
a)
2 ft
b)
3 ft
c)
4 ft
d)
6 ft
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