Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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  Independent Practice  

  • Question 1 (request help)

    Triangle RST represents the placement of Tyra's tricycle in the driveway and has vertices R(-7, 8), S(-7, 2), and T(-2, 2). Graph the figure and its rotated image after a clockwise rotation of 180° about the origin. Then give the coordinates of the vertices for triangle R'S'T'.

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  • Question 2 (request help)

    Quadrilateral ABCD has vertices at A(-3, -4), B(-1, -1), C(2, -2), and D(3, -4). Graph quadrilateral ABCD and its image after a 90° clockwise rotation about vertex A. Then give the coordinates of the vertices of the image.

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  • Question 3 (request help)

    Model with Mathematics A partial hubcap is shown. Copy and complete the figure so that the completed hubcap has rotational symmetry of 90°, 180°, and 270°.

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  • Question 4 (request help)

    The right isosceles triangle PQR has vertices P(3, 3), Q(3, 1), and R(x, y) and is rotated 90° counterclockwise about the origin. Find the missing vertex of the triangle. Then graph the triangle and its image.

    R(xy) = R(_____, _____)

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  • Question 5 (request help)

    Which capital letters in VIRGINIA produce the same letter after being rotated 180°?

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