Geometry Transformations
Flashcard
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a transformation in geometry?
Back
A transformation in geometry is an operation that moves or changes a shape in some way to produce a new shape. Common types of transformations include translations, rotations, reflections, and dilations.
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
2.
FLASHCARD QUESTION
Front
Define translation in geometry.
Back
Translation is a type of transformation that slides a shape in a straight line from one position to another without changing its size, shape, or orientation.
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
3.
FLASHCARD QUESTION
Front
What is the rule for translating a point (x, y) by (a, b)?
Back
The rule for translating a point (x, y) by (a, b) is given by (x + a, y + b).
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
4.
FLASHCARD QUESTION
Front
How do you rotate a point (x, y) 90 degrees counterclockwise around the origin?
Back
To rotate a point (x, y) 90 degrees counterclockwise around the origin, the new coordinates will be (-y, x).
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
5.
FLASHCARD QUESTION
Front
What are the coordinates of point B' if point B(5, -1) is rotated 90 degrees counterclockwise around the origin?
Back
The coordinates of point B' will be (1, 5).
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
6.
FLASHCARD QUESTION
Front
Define reflection in geometry.
Back
Reflection is a transformation that flips a shape over a line, creating a mirror image of the original shape.
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 across the x-axis?
Back
When a point (x, y) is reflected across the x-axis, its new coordinates become (x, -y).
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
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