Dilations and Scale Factor

Flashcard
•
Mathematics
•
8th Grade
•
Hard
+1
Standards-aligned
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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 keeps its shape the same.
Tags
CCSS.8.G.A.3
2.
FLASHCARD QUESTION
Front
What does the scale factor indicate in a dilation?
Back
The scale factor indicates how much larger or smaller the new figure is compared to the original figure.
Tags
CCSS.8.G.A.3
3.
FLASHCARD QUESTION
Front
If the scale factor is greater than 1, what happens to the figure?
Back
The figure enlarges.
Tags
CCSS.8.G.A.3
4.
FLASHCARD QUESTION
Front
If the scale factor is less than 1, what happens to the figure?
Back
The figure reduces in size.
Tags
CCSS.8.G.A.3
5.
FLASHCARD QUESTION
Front
What is the formula for finding the scale factor?
Back
Scale Factor = Length of new figure / Length of original figure.
Tags
CCSS.7.G.A.1
6.
FLASHCARD QUESTION
Front
What is the scale factor if the original length is 5 and the new length is 10?
Back
The scale factor is 2.
Tags
CCSS.7.G.A.1
7.
FLASHCARD QUESTION
Front
What is the scale factor if the original length is 8 and the new length is 4?
Back
The scale factor is 1/2.
Tags
CCSS.7.G.A.1
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