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Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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  • Question 15 (request help)

    Gregory is creating a mosaic for art class. He started by using triangular tiles as shown.

    Triangles A and B are congruent. Describe possible transformations he could have used if triangle A is the preimage and triangle B is the image?

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  • Question 16 (request help)

    Pentagon ABCDE is reflected across the line shown and then rotated 72° clockwise about its center to create congruent pentagon FGHIJ. Label the vertices of FGHIJ in the correct position on the image.

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  Spiral Review  

Graph each figure with the given vertices and its image after the indicated transformation. Then give the coordinates of the final image.

  • Question 17 (request help)

    ¯CD: C(-2, 4), D(0, 0); translation of 3 units right and 2 units down

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  • Question 18 (request help)

    ΔXYZX(-1, 1), Y(3, 1), Z(1, 3); reflection over the y-axis

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