# 6.12: Recognizing Reflections

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**Practice**Reflections

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Color | Highlighted Text | Notes | |
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Term | Definition |
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Coordinate Notation |
A coordinate point is the description of a location on the coordinate plane. Coordinate points are commonly written in the form (x, y) where x is the horizontal distance from the origin, and y is the vertical distance from the origin. |

Coordinate Plane |
The coordinate plane is a grid formed by a horizontal number line and a vertical number line that cross at the (0, 0) point, called the origin. The coordinate plane is also called a Cartesian Plane. |

Geometric Patterns |
Geometric patterns are visual patterns of geometric figures that follow a rule. |

Image |
The image is the final appearance of a figure after a transformation operation. |

perpendicular bisector |
A perpendicular bisector of a line segment passes through the midpoint of the line segment and intersects the line segment at . |

Perpendicular lines |
Perpendicular lines are lines that intersect at a angle. |

Preimage |
The pre-image is the original appearance of a figure in a transformation operation. |

Reflection |
A reflection is a transformation that flips a figure on the coordinate plane across a given line without changing the shape or size of the figure. |

Transformation |
A transformation moves a figure in some way on the coordinate plane. |

Rigid Transformation |
A rigid transformation is a transformation that preserves distance and angles, it does not change the size or shape of the figure. |

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Description

Learn to recognize reflections as flips and also lines of reflection.

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Difficulty Level:

At Grade
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Date Created:

Jan 23, 2013
Last Modified:

Aug 11, 2016
Vocabulary

None

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