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8th Grade Math (Math 8) · Chapter 8 · Lesson 8.5 · Printable PDF

Reflections Worksheet with Answer Key

8 problems on reflections: reflecting points in axes and other lines, finding a point from its image, writing the rule for a reflection, a line reflected in another line, finding a student's mistake, and a triangle and its mirror image. 2 pages, with a worked answer key.

8 problems2 pagesanswer key
Printable Reflections worksheet with answer key - 8th Grade Math (Math 8) (Page 1 PDF preview)
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What's on the worksheet

  1. Reflect each point in the given mirror:
    (4, −9) over the x-axis(0, 6) over the y-axis(−2, 7) in the line x = 1(3, −4) in the line y = -3(−6, 1) in the line y = x
  2. Find the original point from the image under a reflection in a horizontal line.
  3. Write the rule for a reflection in a vertical line from a point and its image.
  4. Find a using the reflection in the line y equal to negative x.
  5. Find the horizontal line that reflects one line onto another, and check with two points.
  6. Find the mistake in Priya's rule for reflecting a triangle in the line x equal to 1.
  7. Reflect a triangle and describe what you notice about the image.
  8. Read the coordinates of a quadrilateral and its mirror line on a grid and reflect it.

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The free lesson teaches it with worked examples and practice problems.

Reflections: the lesson ›

More Chapter 8 worksheets: Rigid motions and congruence