Module 3: Dilations Flashcard
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is dilation in geometry?
Back
Dilation is a transformation that alters the size of a shape but keeps its proportions the same. It can be an enlargement or a reduction.
Tags
CCSS.8.G.A.3
2.
FLASHCARD QUESTION
Front
What is a scale factor?
Back
The scale factor is a number that describes how much a shape is enlarged or reduced during a dilation. A scale factor greater than 1 indicates enlargement, while a scale factor less than 1 indicates reduction.
Tags
CCSS.8.G.A.3
3.
FLASHCARD QUESTION
Front
If a shape is dilated by a scale factor of 3, what happens to its size?
Back
The shape is enlarged to three times its original size.
Tags
CCSS.8.G.A.3
4.
FLASHCARD QUESTION
Front
If a shape is dilated by a scale factor of 1/2, what happens to its size?
Back
The shape is reduced to half of its original size.
Tags
CCSS.8.G.A.3
5.
FLASHCARD QUESTION
Front
How do you determine if a dilation is an enlargement or a reduction?
Back
If the scale factor is greater than 1, it is an enlargement. If the scale factor is less than 1, it is a reduction.
Tags
CCSS.8.G.A.3
6.
FLASHCARD QUESTION
Front
What are the coordinates of a point after dilation by a scale factor of 2 from the origin?
Back
If the original coordinates are (x, y), after dilation by a scale factor of 2, the new coordinates will be (2x, 2y).
Tags
CCSS.8.G.A.3
7.
FLASHCARD QUESTION
Front
What is the effect of a scale factor of 1 on a shape?
Back
A scale factor of 1 means the shape remains the same size; there is no change.
Tags
CCSS.8.G.A.3
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