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Home > GC > Chapter 9 > Lesson 9.1.2 > Problem 9-23


On graph paper, graph if .

  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 . What are the new coordinates of point ?

Use the eTool below to solve each part of the problem.
Click the link at right for the full version of the eTool: GC 9-23 HW eTool (Desmos)