Chapter 2: Transformations

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Presentation transcript:

Chapter 2: Transformations Section 2.2: Translations

Vocabulary: A transformation changes a figure into another figure. The new figure is called the image. A translation is a transformation in which a figure slides but does not turn. Every point of the figure moves the same distance and in the same direction. Vocabulary:

Example 1

Key Idea You can translate a figure in the Coordinate Plane. To translate a figure a units horizontally and b units vertically in a coordinate plane, add a to the x- coordinates and b to the y-coordinates of the vertices. Positive values of a and b represent translations up and right. Negative values of a and b represent translations down and left. 𝑥,𝑦 → 𝑥+𝑎,𝑦+𝑏 In a translation, the original figure and its image are congruent. Key Idea

Example 2

Example 3