Translations
Reflections
Rotations
Symmetry/Mapping
Compositions/Rigid Motions
100
Describe in words the transformation that occurred.
10 units right, 6 units down
100
Describe the reflection that occurred in words.
Reflect over the y-axis
100
Describe the rotation that occurred.
180 degrees (about the origin)
100
Which of the following is a line of symmetry?
B
100
Which of the following is not preserved in a rigid motion?
A. side length/distance
B. angle measure
C. coordinates of endpoints
D. area
E. perimeter
C
200
Write the coordinate rule to describe the translation that has occurred.
(x, y) --> (x-3, y+2)
200
If the given pre-image is reflected over the x axis, what are the coordinates of Y'?
(3, 0)
200
How many degrees counterclockwise was the figure rotated?
270 degrees counterclockwise
200
How many lines of symmetry does Figure C have?
1
200
Which of the following transformation rules represent a rigid motion? a,c, or e
a
300
Write the coordinate rule for the translation that occurred.
(x, y) --> (x-5, y)
300
What line were the triangles reflected over?
y= -2
300
Describe the rotation that occurred in words.
270 degrees counterclockwise/90 degrees clockwise
300
Which of the figures above have 0 lines of symmetry?
A, E, F
300
Which of the following is not a rigid motion? b, d or f?
f
400
Write a coordinate rule for the translation.
(x, y) --> (x+6, y-4)
400
Complete the reflection rule.
(x, y) --> (y, x)
400
Name all 9 angles of rotation that will map the regular nonagon back onto itself.
40, 80, 120, 160, 200, 240, 280, 320, 260
400
Which of the following will map the parallelogram back onto itself?
A. reflection over EF
B. rotate 180 degrees about the origin
C. rotate 180 degrees about the center of the parallelogram
D. reflection over AC
C
400
Fill in all 3 blanks
x-axis, 7 units right, ODE
500
If the point A has the coordinate rule (x, y) --> (x-6, y-7), what would the coordinates of A' be?
(-1, -2)
500
A
500
Given the pre-image if rotated 90 degrees counterclockwise about point X, what are the coordinates of point Z'?
(-3, 2)
500
How could pentagon PQRST be mapped onto itself?
Reflect over x=4
500
Fill in all the blanks. Must include counterclockwise or clockwise for the first blank.
90 degrees counterclockwise/270 degrees clockwise, 1 unit down and 6 units right, HGF