Math Problem Statement
Solution
To determine the composition of transformations that map the rectangle to , we need to analyze the steps provided:
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Rotation: The first transformation mentioned is a clockwise rotation about the origin. Based on the positions of and , it seems that the figure has been rotated 90° clockwise. In general, a 90° clockwise rotation about the origin transforms the coordinates to .
Let’s check:
All points confirm a 90° clockwise rotation.
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Reflection: The second transformation is a reflection. After the 90° rotation, the figure is reflected over the x-axis, because the signs of the y-coordinates in the final positions of are opposite to those in the rotated version.
Thus, the composition of transformations is:
- Rotate 90° clockwise about the origin.
- Reflect over the x-axis.
Would you like a more detailed breakdown or further clarification?
Here are 5 related questions you can explore:
- What are the rules for other common rotations (e.g., 180°, 270°) about the origin?
- How would the transformation change if reflected over the y-axis instead of the x-axis?
- What are the formulas for reflections over other lines, like or ?
- How does the order of transformations (e.g., reflecting first, then rotating) affect the result?
- How would you find the image of a point under a combination of dilation and rotation?
Tip: Always apply transformations step-by-step, checking each point to ensure accuracy in composite transformations.
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Math Problem Analysis
Mathematical Concepts
Transformations
Rotation
Reflection
Coordinate Geometry
Formulas
Rotation formula: A 90° clockwise rotation maps (x, y) to (y, -x).
Reflection formula over the x-axis: (x, y) maps to (x, -y).
Theorems
Properties of transformations: Rotation followed by reflection.
Suitable Grade Level
Grades 8-10
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