Translations and Reflections
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 algebraically?
Back
A translation can be represented as (x + a, y + b), where 'a' is the horizontal shift and 'b' is the vertical shift.
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
3.
FLASHCARD QUESTION
Front
What does it mean to reflect a figure over the x-axis?
Back
Reflecting a figure over the x-axis means that for every point (x, y) in the figure, the new point will be (x, -y).
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
4.
FLASHCARD QUESTION
Front
What is the effect of reflecting a figure over the y-axis?
Back
Reflecting a figure over the y-axis changes the x-coordinate of each point to its opposite, resulting in (x, y) becoming (-x, y).
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
5.
FLASHCARD QUESTION
Front
What is the line of reflection?
Back
The line of reflection is the line over which a figure is reflected, such as the x-axis or y-axis.
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
6.
FLASHCARD QUESTION
Front
How do you translate a point 5 units down and 3 units to the right?
Back
To translate a point (x, y) 5 units down and 3 units to the right, you would use the rule (x + 3, y - 5).
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
7.
FLASHCARD QUESTION
Front
What is the algebraic representation for reflecting a figure over the y-axis?
Back
The algebraic representation for reflecting over the y-axis is (x, y) --> (-x, y).
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
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