Rotations
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a 180 degree rotation in the coordinate plane?
Back
A 180 degree rotation around the origin transforms a point (x, y) to (-x, -y).
2.
FLASHCARD QUESTION
Front
What happens to the coordinates of a point when it is rotated 90 degrees clockwise?
Back
A point (x, y) becomes (y, -x) after a 90 degree clockwise rotation.
3.
FLASHCARD QUESTION
Front
What is the result of rotating the point (5, 5) 180 degrees counterclockwise around the origin?
Back
The image of the point is (-5, -5).
4.
FLASHCARD QUESTION
Front
What is the rule for rotating a point (x, y) 180 degrees clockwise?
Back
The rule is (x, y) → (-x, -y).
5.
FLASHCARD QUESTION
Front
If point A is at (3, 4), what are the coordinates of A' after a 180 degree rotation about the origin?
Back
The coordinates of A' would be (-3, -4).
6.
FLASHCARD QUESTION
Front
What is the effect of a 90 degree counterclockwise rotation on the point (2, 3)?
Back
The point becomes (-3, 2) after a 90 degree counterclockwise rotation.
7.
FLASHCARD QUESTION
Front
How do you determine the angle of rotation for a figure?
Back
The angle of rotation is the measure of the turn from the original position to the new position of the figure.
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