Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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  • Question 17 (request help)

    On a floor plan, TUVW with vertices T(-4, 0), U(-4, 2), V(-1, 2), and W(-1, 0) represents the location of Chantal's bed in her bedroom. Chantal would like to rotate her bed 180° clockwise about point V to see if she likes the new placement. Draw the bed and the rotated image on the coordinate plane.

    What are the coordinates of the corners of the rotated bed?

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  • Question 18 (request help)

    Triangle ABC is rotated 90° counterclockwise about the origin. Determine if each statement is true or false.

    a. The image of point A is A'(-6, 4).

    b. The image of point B is B'(-1, -6).

    c. The image of point C is C'(-1, -2).

  • a.    
    b.    
    c.    

  Spiral Review  

  • Question 19 (request help)

    Use the graph of ΔABC shown at the right.

    a. What are the coordinates of ΔA'B'C' when ΔABC is reflected over the x-axis?

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  • Question 19 (request help)

    b. Graph the image of ΔABC after it is translated 2 units right and 1 unit up.

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  • Question 20 (request help)

    Triangle FGH has vertices F(-3, 7), G(-1, 5), and H(-2, 2). Find the vertices of its image after a translation of 4 units right and 2 units dfown followed by a reflection over the y-axis.

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