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On a coordinate grid, graph if , , and .

  1. What is (the length of )?

    Use the Pythagorean Theorem to find the length of .

  2. Reflect across the -axis to form . What are the coordinates of ? Describe the function that would change the coordinates of to .

  3. Rotate clockwise () about the origin to form . What are the coordinates of ?

  4. Translate so that . Describe the translation as a movement a certain distance along a line parallel to the line of translation.

Use the eTool below to solve each part of the problem.
Click the link to the right for full version: Int1 9-63 HW eTool.