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REFLECTIONS Pg 734 of Textbook. REFLECTIONS Reflection: A transformation that ___________ a figure across a line called the ___________________________.

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Presentation on theme: "REFLECTIONS Pg 734 of Textbook. REFLECTIONS Reflection: A transformation that ___________ a figure across a line called the ___________________________."— Presentation transcript:

1 REFLECTIONS Pg 734 of Textbook

2 REFLECTIONS

3 Reflection: A transformation that ___________ a figure across a line called the ___________________________. Each point and its image are the ___________________from the ____________________________. The image has the ____________________ and ______________________ as the preimage; Therefore, the preimage and image are _____________________. NOTE: In 8 th grade, you are only required to reflect across the __________________ and _________________. You can use COORDINATE NOTATION to describe reflections across the x-axis and y-axis. Reflect across the x-axisReflect across the y-axisRULES FOR REFLECTION flipsline of reflection same distance line of reflection same sizesame shape congruent x-axisy-axis

4 1. Draw parallelogram ABCD with vertices at A (-3, 3), B (2, 3), C (4, 1), and D (-1, 1). Then find the coordinates of the vertices of the image after a reflection across the x-axis and draw the image. Original Image A (-3, 3)  B (2, 3)  C (4, 1)  D (-1, 1)  #14 PA8 Sem2 Practice Exam B Triangle EFG has vertices Find the coordinates of the image of point E after a reflection across the y-axis. A. (2, 5) B. (-2, 5) C. (-5, 2) D. (-5, -2) #4 Explorations Workbook Pg 203 Graph a reflection of Quadrilateral MNPQ across the y-axis.


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