Reflections
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a reflection in geometry?
Back
A reflection is a transformation that flips a figure over a line, creating a mirror image.
2.
FLASHCARD QUESTION
Front
What happens to the coordinates of a point when it is reflected over the x-axis?
Back
The x-coordinate remains the same, while the y-coordinate changes sign.
3.
FLASHCARD QUESTION
Front
What happens to the coordinates of a point when it is reflected over the y-axis?
Back
The y-coordinate remains the same, while the x-coordinate changes sign.
4.
FLASHCARD QUESTION
Front
If point A (x, y) is reflected over the x-axis, what are the coordinates of the reflected point A'?
Back
A' will be (x, -y).
5.
FLASHCARD QUESTION
Front
If point B (x, y) is reflected over the y-axis, what are the coordinates of the reflected point B'?
Back
B' will be (-x, y).
6.
FLASHCARD QUESTION
Front
What is the line of reflection?
Back
The line of reflection is the line over which a figure is reflected, creating a mirror image.
7.
FLASHCARD QUESTION
Front
How do you reflect a point across the x-axis?
Back
To reflect a point (x, y) across the x-axis, change the sign of the y-coordinate to get (x, -y).
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