Dilations and Scale Factor

Flashcard
•
Mathematics
•
6th - 8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a dilation in geometry?
Back
A dilation is a transformation that changes the size of a figure but not its shape, using a scale factor.
2.
FLASHCARD QUESTION
Front
What is a scale factor?
Back
The scale factor is a number that describes how much a figure is enlarged or reduced during a dilation.
3.
FLASHCARD QUESTION
Front
If the scale factor is greater than 1, what happens to the figure?
Back
The figure is enlarged.
4.
FLASHCARD QUESTION
Front
If the scale factor is less than 1, what happens to the figure?
Back
The figure is reduced.
5.
FLASHCARD QUESTION
Front
What does it mean if a dilation produces a congruent figure?
Back
It means the figure has the same shape and size, which is not true for dilations.
6.
FLASHCARD QUESTION
Front
How do you find the scale factor when dilating a point?
Back
Divide the coordinates of the dilated point by the coordinates of the original point.
7.
FLASHCARD QUESTION
Front
What is the scale factor if point (8, 12) is dilated to (2, 3)?
Back
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