What is the definition of Pre-image in transformations?
Transformation: Dilation

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Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The figure before a transformation has occurred.
2.
FLASHCARD QUESTION
Front
What is the result of dilating Point B (3, -8) by a scale factor of 1/2?
Back
(1.5, -4)
3.
FLASHCARD QUESTION
Front
What is the algebraic representation for a dilation with a scale factor of 3?
Back
(x, y) → (3x, 3y)
4.
FLASHCARD QUESTION
Front
True or False: The 'image' is the shape before the dilation.
Back
False
5.
FLASHCARD QUESTION
Front
What does Dilation mean in geometry?
Back
Dilation means to enlarge or reduce a figure.
6.
FLASHCARD QUESTION
Front
What is the scale factor in a dilation?
Back
The scale factor is a number that describes how much a figure is enlarged or reduced.
7.
FLASHCARD QUESTION
Front
If a point (x, y) is dilated by a scale factor of 2, what is the new point?
Back
(2x, 2y)
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