Reflections on the Coordinate Plane
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
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 a transformation that flips a figure over a line, creating a mirror image.
2.
FLASHCARD QUESTION
Front
What is the line of reflection for a reflection across the x-axis?
Back
The x-axis itself is the line of reflection.
3.
FLASHCARD QUESTION
Front
What happens to the coordinates of a point (x, y) when it is reflected across the x-axis?
Back
The coordinates become (x, -y).
4.
FLASHCARD QUESTION
Front
What happens to the coordinates of a point (x, y) when it is reflected across the y-axis?
Back
The coordinates become (-x, y).
5.
FLASHCARD QUESTION
Front
If point A(2, 3) is reflected across the x-axis, what are the coordinates of A'?
Back
A' will be (2, -3).
6.
FLASHCARD QUESTION
Front
If point B(-4, 5) is reflected across the y-axis, what are the coordinates of B'?
Back
B' will be (4, 5).
7.
FLASHCARD QUESTION
Front
What is the algebraic representation of a reflection across the x-axis?
Back
The algebraic representation is (x, y) → (x, -y).
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