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9-80.

Copy the graph at right onto graph paper.

  1. If the shape were rotated about the origin , where would point be?

    ()

  1. If the shape were reflected across the -axis, where would point be?

    A reflection across the axis means that the terms become negative.

  2. If the shape were translated so that each point () corresponds to (), where would point be?

    In other words, subtract from the term and add to the term in point .

The enclosed figure A, B, C, D, E, is graphed. Connect the points A (1, comma 2), B (4, comma 1), C (4, comma 4), D (3, comma 3), E (1, comma 4), and back to A to enclose the figure.