Dilations!
Flashcard
•
Mathematics
•
7th - 8th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a dilation in geometry?
Back
A dilation is a transformation that alters the size of a figure but not its shape, using a scale factor.
2.
FLASHCARD QUESTION
Front
What does a scale factor greater than 1 indicate in a dilation?
Back
It indicates an enlargement of the figure.
3.
FLASHCARD QUESTION
Front
What does a scale factor less than 1 indicate in a dilation?
Back
It indicates a reduction of the figure.
4.
FLASHCARD QUESTION
Front
If a point (x, y) is dilated by a scale factor of k, what is the new point?
Back
The new point is (kx, ky).
5.
FLASHCARD QUESTION
Front
What is the scale factor if a point is dilated from (8, 12) to (2, 3)?
Back
The scale factor is ¼.
6.
FLASHCARD QUESTION
Front
How do you determine the scale factor of a dilation?
Back
The scale factor is determined by the ratio of the length of a side of the new figure to the corresponding length of the original figure.
7.
FLASHCARD QUESTION
Front
What is the effect of a scale factor of 1 on a figure?
Back
A scale factor of 1 means the figure remains unchanged in size.
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