6.2 Reflections

Flashcard
•
Mathematics
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a reflection in geometry?
Back
A reflection is when you flip or mirror an object across a line.
2.
FLASHCARD QUESTION
Front
How do you reflect a point over the y-axis?
Back
To reflect a point (x, y) over the y-axis, change the sign of the x-coordinate to (-x, y).
3.
FLASHCARD QUESTION
Front
Reflect the point (3, 4) over the y-axis.
Back
The reflected point is (-3, 4).
4.
FLASHCARD QUESTION
Front
What happens to the y-coordinate when reflecting over the y-axis?
Back
The y-coordinate remains the same.
5.
FLASHCARD QUESTION
Front
What happens to the x-coordinate when reflecting over the y-axis?
Back
The x-coordinate changes sign.
6.
FLASHCARD QUESTION
Front
How do you reflect a point over the x-axis?
Back
To reflect a point (x, y) over the x-axis, change the sign of the y-coordinate to (x, -y).
7.
FLASHCARD QUESTION
Front
Reflect the point (-2, 5) over the x-axis.
Back
The reflected point is (-2, -5).
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