9-3: TEKS Practice

  • 1. Which of these graphs shows a transformation that is a rotation?

    • A. Original triangle and transformation choices

    • B. Original triangle and transformation choices

    • C. Original triangle and transformation choices

  • 2. Think About the Process Suppose ΔPQR is rotated 90° about the origin, (0,0).

    A graph of triangle PRQ with vertices P(3, 3), Q(5, 4), and R(3, 7).

    • a. Find the coordinates of P′, Q′, and R.

    • b. Sketch ΔPQR′.

  • 3.  

    • a. Which of these graphs shows a rotation of ΔPQR about the origin, (0,0)?

      • A. Original triangle and transformation choices

      • B. Original triangle and transformation choices

      • C. Original triangle and transformation choices

    • b. For each graph that does not show a rotation of ΔPQR about the origin, (0,0), describe what transformation the graph does show.


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Table of Contents

Digits, Grade 8, Volume 2, Homework Helper Unit D: Two-Dimensional Shapes Unit E: Measurement and Data Unit F: Personal Financial Literacy Unit G: Step-Up Lessons English/Spanish Glossary Formulas Math Symbols Formulas Measures Properties