What is a transformation in geometry?
Transformations: Review for Test 1

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Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A transformation is a function that maps a geometric figure onto another figure, changing its position, size, or orientation.
2.
FLASHCARD QUESTION
Front
What are the four main types of transformations?
Back
The four main types of transformations are translation, rotation, reflection, and dilation.
3.
FLASHCARD QUESTION
Front
Define translation in geometry.
Back
Translation is a transformation that moves every point of a figure the same distance in a given direction.
4.
FLASHCARD QUESTION
Front
What is a reflection in geometry?
Back
Reflection is a transformation that flips a figure over a line, creating a mirror image.
5.
FLASHCARD QUESTION
Front
How do you perform a 90° clockwise rotation on a point (x, y)?
Back
To perform a 90° clockwise rotation, the new coordinates will be (y, -x).
6.
FLASHCARD QUESTION
Front
How do you perform a 90° counterclockwise rotation on a point (x, y)?
Back
To perform a 90° counterclockwise rotation, the new coordinates will be (-y, x).
7.
FLASHCARD QUESTION
Front
What is the result of reflecting a point (x, y) across the x-axis?
Back
The result is (x, -y).
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