Math Problem Statement
The pre-image and image of point P is shown on the coordinate grid below.
Which of the following rules describes the transformation? A.(x,y)→(−y,x)
B.(x,y)→(−x,y)
C.(x,y)→(−y,−x)
D.(x,y)→(y,−x)
Solution
To determine the correct transformation rule, we need to analyze the coordinates of the pre-image point and its corresponding image point on the coordinate grid.
Here’s how to approach the problem:
- Identify the coordinates of the pre-image point . Let's denote them as .
- Identify the coordinates of the image of point . Let's denote them as .
- Compare and to determine the relationship and match it with one of the transformation rules.
Explanation of Transformation Rules:
-
Option A: :
- This is a 90° counterclockwise rotation around the origin.
-
Option B: :
- This is a reflection over the y-axis.
-
Option C: :
- This is a 180° rotation around the origin.
-
Option D: :
- This is a 90° clockwise rotation around the origin.
Steps to Solve:
- Provide the coordinates of the points (pre-image) and (image) from the grid. If you share the image or provide the points, I will verify the transformation.
Would you like to provide the coordinates or upload the image for a detailed analysis?
Related Questions:
- How do you determine transformations using matrix operations?
- What is the effect of combining two rotations on a coordinate plane?
- How do you derive transformation rules for reflections?
- What is the general form of a rotation matrix?
- How can a geometric transformation be reversed?
Tip: Always check the orientation of the axes and the signs of the coordinates after the transformation. It helps in quickly identifying the type of transformation.
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Math Problem Analysis
Mathematical Concepts
Coordinate Geometry
Geometric Transformations
Rotation
Reflection
Formulas
(x, y) → (−y, x)
(x, y) → (−x, y)
(x, y) → (−y, −x)
(x, y) → (y, −x)
Theorems
Rotation Theorem
Reflection Theorem
Suitable Grade Level
Grades 8-10
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