Vocabulary
Translation
Rotation
Reflection
Sequences
100
A group of transformations that preserves distance/side lengths and angles measures
Rigid Motion or Isometries
100
What is another word for Transformation?
Slide
100
What is the rule for a 180 degree rotation CW?
(x, y) --> (-x, -y)
100
Identify the x-axis and the y-axis on the graph.
100
What transformations take Triangle A to Triangle C?
Reflection over y-axis
Reflection over x-axis
200
Two or more lines that never intersect
What is parallel lines
200
A translation has the rule (x, y,) ------> (x + 4, y - 7)
Describe the rule in a sentence. How many units are you moving, and in what direction(s)?
4 units to the right, and 7 units down.
200
Rotate (-8,7) 90 degrees C.C.W. What are the coordinates?
(-7,-8)
200
Reflect the point (2, 1) across the y-axis. What are the coordinates?
(-2, 1)
200
What sequence of transformations takes you from shape 1 to shape 3?
90 degree C.C.W. rotation
Reflection over y-axis
300
Same size and shape
congruent
300
Translate the point (3, 2) up 4 units and left 8 units. What are the coordinates?
(-5, 6)
300
Rotate (-2,-3) 180 degrees C.W. What are the coordinates?
(2, 3)
300
Reflect the point (8, -6) across the y-axis. What are the coordinates?
(-8, -6)
300
What sequenc eof transformations takes you from SRQPT to S"R"Q"P"T"?
Rotate 90 degrees C.W.
Reflect across x-axis
400
The image of U after some transformation.
U' or U prime
400
Translate the point (3, 2) down 2 units and right 4 units. What are the coordinates?
(7, 0)
400
Rotate (1, 0) 90 degrees C.W. What are the coordinates?
(0, -1)
400
Reflect the point (2, 1) across the x-axis. What are the coordinates?
(2, -1)
400
What is the sequence of transformations to get from P to Q?
Translation
Reflection across x-axis
500
The number of degrees in a full rotation.
360
500
Translate the point (-4, -7) up 14 units and right 9 units. What are the coordinates?
(5, 7)
500
Rotate (21.5, -7) 90 degrees C.C.W. What are the coordinates?
(7, 21.5)
500
Reflect the point (14, 14) across the x-axis. What are the coordinates?
(14, -14)
500
What is the sequence of transformations that takes ABC to A"B"C"?
Reflection across y-axis
Translation down 5 and left 2