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Geometry Essentials For Dummies
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In coordinate geometry problems, there are special rules for certain types of transformations. To determine the image point when performing reflections, rotations, translations and dilations, use the following rules:

  • Reflections:

    image0.png
  • Rotations:

    image1.png
  • Translations:

    image2.png
  • Dilations:

    image3.png

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About the book author:

Allen Ma is a math teacher at John F. Kennedy High School in Bellmore, NY. Allen has taught geometry for more than 25 years, has coached the math team, and is a former honors math research coordinator.

Amber Kuang is a math teacher at John F. Kennedy High School in Bellmore, NY. Amber has taught all levels of math, from algebra to calculus, for 20 years.