'Reflections worksheet' presentation slideshows

Do Now

Do Now. 1) Draw a coordinate grid (like below) and label the axes 2)Graph the point (2,1) 3 ) Translate (2,1) 4 units up and 1 unit left 4)Write the translation algebraically. Review Homework. Questions?. Reflections.

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Introduction and Review Information

Introduction and Review Information. A transformation is a change in the position, size, or shape of a figure or graph. It is sometimes called a mapping. Examples of transformations are: translations , reflections , rotations , and dilations.

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Warm up

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Reflections

Reflections. Section 9.3. Line of Reflection . The mirror line that an image is reflected over. Line of Reflection. Coordinate Rule for Reflections. If (a,b) is reflected over the x-axis, its image is the point (a, -b) If (a,b) is reflected over the y-axis, its image is the point (-a, b).

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