Rotations and Dilations.
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
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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, either enlarging or reducing it, while maintaining its shape.
Tags
CCSS.8.G.A.3
2.
FLASHCARD QUESTION
Front
What is the scale factor in a dilation?
Back
The ratio by which a figure is enlarged or reduced during a dilation.
Tags
CCSS.8.G.A.3
3.
FLASHCARD QUESTION
Front
If point C (3, 2) is dilated by a scale factor of 3, what are the new coordinates?
Back
(9, 6)
Tags
CCSS.8.G.A.3
4.
FLASHCARD QUESTION
Front
What happens to the coordinates of a point when it is rotated 90° counterclockwise around the origin?
Back
The new coordinates (x, y) become (-y, x).
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
5.
FLASHCARD QUESTION
Front
What are the new coordinates of point M (4, -5) after a 270° counterclockwise rotation around the origin?
Back
(-5, -4)
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
6.
FLASHCARD QUESTION
Front
If point A (2, 3) is rotated 180° about the origin, what are the new coordinates?
Back
(-2, -3)
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
7.
FLASHCARD QUESTION
Front
What is the result of rotating a point 360° around the origin?
Back
The point remains in the same position.
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
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