Translations and Reflections
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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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 transformation that moves every point of a figure the same distance in a specified direction.
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
2.
FLASHCARD QUESTION
Front
How do you translate a point (x, y) 6 units down and 3 units left?
Back
(x, y) --> (x - 3, y - 6)
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
3.
FLASHCARD QUESTION
Front
What coordinate is affected when translating a figure up or down?
Back
The y-coordinate is affected.
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
4.
FLASHCARD QUESTION
Front
What is the algebraic notation for translating a figure 9 units right and 3 units down?
Back
(x, y) --> (x + 9, y - 3)
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
5.
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.
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
6.
FLASHCARD QUESTION
Front
If a figure is reflected over the y-axis, how are the coordinates affected?
Back
The x-coordinates change sign: (x, y) --> (-x, y).
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
7.
FLASHCARD QUESTION
Front
What happens to the coordinates of a point (x, y) when it is reflected over the x-axis?
Back
The y-coordinates change sign: (x, y) --> (x, -y).
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
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