Reflections: Diagonal Lines y = x and y = -x Exercise

Reflections: Diagonal Lines y = x and y = -x

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Reflections: Diagonal Lines y = x and y = -x

Practice reflecting points and figures across the diagonal lines y = x and y = -x.

Questions

  1. MultiChoice

    What is the coordinate rule for a reflection over the line y = x?

  2. MultiChoice

    What is the coordinate rule for a reflection over the line y = -x?

  3. MultiChoice

    Reflect the point (2, 7) over the line y = x. What is the image?

  4. MultiChoice

    Reflect the point (3, -5) over the line y = x. What is the image?

  5. MultiChoice

    Reflect the point (4, 1) over the line y = -x. What is the image?

  6. MultiChoice

    Reflect the point (-6, 2) over the line y = -x. What is the image?

  7. MultiChoice

    Point A(-4, -4) lies on line y = x. What is its image when reflected across y = x?

  8. MultiChoice

    If point (a, b) is mapped to (b, a), which line was it reflected across?

  9. MultiChoice

    If point (a, b) is mapped to (-b, -a), which line was it reflected across?

  10. MultiChoice

    Reflect (0, -3) over the line y = x. What are the new coordinates?

  11. MultiChoice

    Reflect (-5, 0) over the line y = -x. What are the new coordinates?

  12. MultiChoice

    Which point stays in the exact same location when reflected over y = x?