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Introduction to Chapter 9 Vocabulary

Introduction to Chapter 9 Vocabulary

Assessment

Flashcard

Mathematics

9th - 12th Grade

Practice Problem

Easy

Created by

Rebecca Pack

Used 1+ times

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9 questions

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1.

FLASHCARD QUESTION

Front

Transformations

Back

An operation that maps an original figure called the pre-image onto a new figure called the image.

Can change the size, position, or shape of a figure.

2.

FLASHCARD QUESTION

Front

Reflections

Back

A FLIP over a line called the line of reflection.

Each point and its image are the same distance from the line of reflection.

3.

FLASHCARD QUESTION

Front

Translations

Back

To vertically and/or horizontally SLIDE a figure.

4.

FLASHCARD QUESTION

Front

Rotations

Back

A TURN around a fixed point called the center of dilation.

The figure rotates at a specific angle and direction.

5.

FLASHCARD QUESTION

Front

Line Symmetry

Back

A figure has line symmetry if the figure can be mapped onto itself by a reflection in a line.

6.

FLASHCARD QUESTION

Front

Point Symmetry

Back

A figure has point symmetry if the figure is mapped onto itself by rotating the figure 180 degrees about a center point.

7.

FLASHCARD QUESTION

Front

Rotational Symmetry

Back

A figure has rotational symmetry if the figure is mapped onto itself by rotating the figure less than 360 degrees about a center point.

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