Dilations

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a dilation in geometry?
Back
A transformation that alters the size of a figure but maintains its shape, using a center of dilation and a scale factor.
Tags
CCSS.8.G.A.3
2.
FLASHCARD QUESTION
Front
What does the scale factor in a dilation represent?
Back
The ratio by which the dimensions of a figure are multiplied during the dilation process.
Tags
CCSS.8.G.A.3
3.
FLASHCARD QUESTION
Front
If the scale factor is greater than 1, what type of dilation occurs?
Back
An enlargement.
Tags
CCSS.8.G.A.3
4.
FLASHCARD QUESTION
Front
If the scale factor is less than 1, what type of dilation occurs?
Back
A reduction.
Tags
CCSS.8.G.A.3
5.
FLASHCARD QUESTION
Front
What is the algebraic notation for a dilation with a scale factor of 2?
Back
(x, y) goes to (2x, 2y).
Tags
CCSS.8.G.A.3
6.
FLASHCARD QUESTION
Front
What happens to the coordinates of a point (x, y) when dilated by a scale factor of 3?
Back
The new coordinates will be (3x, 3y).
Tags
CCSS.8.G.A.3
7.
FLASHCARD QUESTION
Front
True or False: A dilation always produces a similar figure.
Back
True.
Tags
CCSS.8.G.A.3
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