
Unit 3 - Semester Exam Review
Flashcard
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a transformation in geometry?
Back
A transformation is an operation that moves or changes a shape in some way to produce a new shape, called the image.
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
2.
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
3.
FLASHCARD QUESTION
Front
What is a rotation in geometry?
Back
A rotation is a transformation that turns a figure around a fixed point, called the center of rotation, by a certain angle.
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
4.
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 the same direction.
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
5.
FLASHCARD QUESTION
Front
What does it mean for a shape to be congruent?
Back
Two shapes are congruent if they have the same size and shape, meaning one can be transformed into the other through rotations, reflections, or translations.
Tags
CCSS.8.G.A.2
6.
FLASHCARD QUESTION
Front
What is the effect of a 90° rotation counterclockwise about the origin on a point (x, y)?
Back
The new coordinates will be (-y, x).
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
7.
FLASHCARD QUESTION
Front
What is the effect of a 180° rotation about the origin on a point (x, y)?
Back
The new coordinates will be (-x, -y).
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
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