Math Problem Statement
Solution
The problem in the image involves mapping quadrilateral onto using sequences of transformations such as translations, reflections, and rotations.
Explanation of each option:
-
Reflection across the x-axis followed by a translation left 8 units and up 2 units:
- A reflection across the x-axis flips the figure over the x-axis.
- After this, translating left by 8 units and up by 2 units seems to correctly move onto .
- This sequence is valid.
-
Translation left 3 units and down 2 units followed by a 180° rotation around the origin:
- Translating left 3 units and down 2 units moves the figure, and a subsequent 180° rotation around the origin flips and relocates it to match .
- This sequence is also valid.
-
Reflection across the y-axis followed by a translation right 3 units and up 10 units:
- A reflection across the y-axis reverses the orientation over the y-axis.
- After the reflection, translating right 3 units and up 10 units properly moves onto .
- This sequence is valid as well.
-
Rotation 180° around the origin followed by a translation right 3 units and up 2 units:
- A 180° rotation around the origin flips upside down.
- Translating right 3 units and up 2 units afterward moves the figure to the final position of .
- This sequence is valid.
Conclusion:
All four selected options are correct sequences that map quadrilateral onto .
Would you like further clarification on any of the transformations?
Related Questions:
- How do you perform a reflection across the x-axis?
- What is the effect of a 180° rotation around the origin?
- How can you determine the correct translation after a reflection?
- What are the differences between reflecting over the x-axis and y-axis?
- How does the orientation of the figure change after a 180° rotation?
Tip:
When working with transformations, sketching the steps one by one can help visualize how each movement affects the shape's position.
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Math Problem Analysis
Mathematical Concepts
Geometric transformations
Translations
Reflections
Rotations
Formulas
Translation formula: (x, y) → (x + a, y + b)
Reflection over x-axis: (x, y) → (x, -y)
Reflection over y-axis: (x, y) → (-x, y)
Rotation 180° around the origin: (x, y) → (-x, -y)
Theorems
Congruence theorem in geometric transformations
Symmetry properties of transformations
Suitable Grade Level
Grade 8
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