Describing Transformations
Pre-Algebra · Flashcards
PRE-ALGEBRA · FLASHCARDS
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QUESTION
What is the image of
(
2
,
5
)
(2, 5)
(
2
,
5
)
after a
90
∘
90^\circ
9
0
∘
counterclockwise rotation about the origin?
QUESTION
What does a dilation do to a figure?
QUESTION
Which transformations preserve both size and shape?
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ANSWER
Translations, reflections and rotations (the rigid motions). A dilation changes size unless its scale factor is 1.
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