Transformations
Flashcard
•
Mathematics
•
8th Grade
•
Hard
Standards-aligned
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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 represent a translation mathematically?
Back
A translation can be represented by a rule such as (x, y) → (x+a, y+b), where 'a' and 'b' are the distances moved in the x and y directions, respectively.
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
3.
FLASHCARD QUESTION
Front
What does the rule (x, y) → (x+3, y-2) indicate about the translation of a figure?
Back
It indicates that the figure is moved 3 units to the right and 2 units down.
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
4.
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
5.
FLASHCARD QUESTION
Front
How is a reflection across the x-axis represented mathematically?
Back
A reflection across the x-axis is represented by the rule (x, y) → (x, -y).
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
6.
FLASHCARD QUESTION
Front
What is the result of reflecting a point (3, 4) across the x-axis?
Back
The result is the point (3, -4).
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
7.
FLASHCARD QUESTION
Front
What is the effect of translating a point (2, 5) by the rule (x-2, y+6)?
Back
The point will move 2 units left and 6 units up, resulting in the new point (0, 11).
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
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