Unit_5_Review_Transformations_andSymmetry__002

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West Virginia University *

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Mathematics

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Jan 9, 2024

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Name_____________________________ Date____________________Period_____ 20 - 21 Transformations/Symmetry Review Directions: Circle the letter of the best answer or complete the given transformation. 1. Which transformation is not an isometry? A. Translation B. Reflection C. Dilation D. Rotation 2. Which of the following describes the transformation in the picture below? A. Reflection over the x-axis B. Rotation 90 ° counter-clockwise C. Reflection over the y-axis D. Translation 3. A pre-image is located entirely in the third quadrant. The image of its reflection over the x-axis will be in which quadrant? A. Quadrant 1 B. Quadrant 2 C. Quadrant 3 D. Quadrant 4 4. Graph the preimage and the image of ABC under the given translation. Write the ordered pairs of the image in the spaces provided. ∆??? (?, ?) → (? − 4, ? + 1) A( -5 , 8 ) A´(____,____) B( -2 , 4 ) B´(____,____) C( -3 , 2 ) C´(____,____)
5. The preimage ANK is transformed by reflecting it over the x-axis. Which ordered pair is a vertex of the translated image? A. (−1,1) B. (−5,4) C. (4, −5) D. (1, −1) 6. Which of the following describes the transformation shown below? A. Dilation with a scale factor of 2 B. Rotation 90 ° C. Translation up 2units, left 1 unit D. Reflection across the x-axis 7. Reflecting an image over the line given by the equation ? = ? is given by which of the following rules? A. (?, ?) → (−?, −?) B. (?, ?) → (?, ?) C. (?, ?) → (? + ?, ? + ?) D. (?, ?) → (𝑘?, 𝑘?) 8. Which of the following represents the notation for a figure rotated 180 ° about the origin? A. (?, ?) → (? + ?, ? + ?) B. (?, ?) → (−?, −?) C. (?, ?) → (? − ?, ? + ?) D. (?, ?) → (𝑘?, 𝑘?) 9. The following figure has which type(s) of symmetry? A. Line Symmetry B. Rotational Symmetry C. Both Line and Rotational Symmetry D. No Symmetry 10. A figure with ______ rotational symmetry is said to have point symmetry. A. 45 ° B. 90 ° C. 180 ° D. 270 °
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