Math Problem Statement

What are the new coordinates of point A after a 90° clockwise or 270° counterclockwise rotation around the origin?

Solution

The image provides a transformation rule, specifically for a 90° clockwise or 270° counterclockwise rotation around the origin. The formula for the transformation is:

(x,y)(y,x)(x, y) \rightarrow (y, -x)

The question involves determining the new coordinates of point AA after applying this transformation.

From the graph:

  • Point AA has the coordinates (1,4)(1, 4).

Applying the transformation rule (x,y)(y,x)(x, y) \rightarrow (y, -x):

  • (1,4)(4,1)(1, 4) \rightarrow (4, -1).

Thus, the correct answer is Option A: (4, -1).

Would you like any further details or have any questions?

Related questions:

  1. What are the new coordinates of point B after a 90° clockwise rotation?
  2. How does the transformation formula change for a 180° rotation?
  3. How can you apply this rotation in real-world applications?
  4. What is the formula for a 90° counterclockwise rotation?
  5. Can a 270° counterclockwise rotation be considered equivalent to a 90° clockwise rotation?

Tip: Always double-check the orientation of the axes when performing coordinate transformations!

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Math Problem Analysis

Mathematical Concepts

Coordinate Geometry
Rotations

Formulas

(x, y) -> (y, -x) for 90° clockwise or 270° counterclockwise rotation

Theorems

Rotation Theorem in Coordinate Geometry

Suitable Grade Level

Grades 8-10