Dilations
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Definition: The figure after a transformation has occurred.
Back
Image
2.
FLASHCARD QUESTION
Front
Triangle ABC has vertices A (-2, 2), B (2, 4) and C (3, -1). What are the coordinates of A' after a dilation by a scale factor of 2.5?
Back
(-5, 5)
3.
FLASHCARD QUESTION
Front
Definition: The figure before a transformation has occurred.
Back
Pre-image
4.
FLASHCARD QUESTION
Front
How do you write the algebraic notation when the scale factor is 3?
Back
(x, y) goes to (3x, 3y)
5.
FLASHCARD QUESTION
Front
A dilation is which of the following?
Back
Either an enlargement or a reduction
6.
FLASHCARD QUESTION
Front
What is the scale factor in a dilation?
Back
The ratio of the distance from the center of dilation to a point and the distance from the center of dilation to its image.
7.
FLASHCARD QUESTION
Front
If a figure is dilated by a scale factor of 1, what happens to the figure?
Back
The figure remains unchanged.
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