
translations and reflections review
Flashcard
•
Mathematics
•
8th Grade
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a translation in geometry?
Back
A translation is a geometric transformation that moves every point of a shape the same distance in a specified direction.
2.
FLASHCARD QUESTION
Front
How do you represent a translation mathematically?
Back
A translation can be represented as (x, y) -> (x + a, y + b), where 'a' is the horizontal shift and 'b' is the vertical shift.
3.
FLASHCARD QUESTION
Front
What does the notation (x, y) -> (x - 9, y + 8) indicate?
Back
This indicates a translation 9 units to the left and 8 units up.
4.
FLASHCARD QUESTION
Front
What is a reflection in geometry?
Back
A reflection is a transformation that flips a shape over a line, creating a mirror image.
5.
FLASHCARD QUESTION
Front
What happens to the coordinates of a point (x, y) when reflected over the x-axis?
Back
The coordinates become (x, -y).
6.
FLASHCARD QUESTION
Front
What happens to the coordinates of a point (x, y) when reflected over the y-axis?
Back
The coordinates become (-x, y).
7.
FLASHCARD QUESTION
Front
If a shape is translated 5 units right and 2 units down, how is this represented?
Back
This is represented as (x, y) -> (x + 5, y - 2).
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