
11/17: Translations and Reflections Practice
Flashcard
•
Mathematics
•
8th Grade
•
Hard
Wayground Content
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15 questions
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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 y-axis?
Back
The x-coordinate changes sign, while the y-coordinate remains the same. For example, (x, y) becomes (-x, y).
3.
FLASHCARD QUESTION
Front
What happens to the coordinates of a point when it is reflected over the x-axis?
Back
The y-coordinate changes sign, while the x-coordinate remains the same. For example, (x, y) becomes (x, -y).
4.
FLASHCARD QUESTION
Front
Define pre-image in the context of transformations.
Back
The pre-image is the original figure before any transformation is applied.
5.
FLASHCARD QUESTION
Front
What is the image in geometry?
Back
The image is the resulting figure after a transformation has been applied to the pre-image.
6.
FLASHCARD QUESTION
Front
If point A(3, 4) is reflected over the y-axis, what are the coordinates of A'?
Back
A'(-3, 4) because the x-coordinate changes sign.
7.
FLASHCARD QUESTION
Front
If point B(-2, 5) is reflected over the x-axis, what are the coordinates of B'?
Back
B'(-2, -5) because the y-coordinate changes sign.
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