Math Problem Statement

A composition of transformations maps pre-image GHJK to the final image G'H'J'K'. The first transformation is a rotation, and the second is a translation to the right.

Solution

In the given problem, the pre-image GHJKGHJK is being transformed into the final image GHJKG'H'J'K'. Based on the image and the provided options, we are tasked with identifying the first transformation (either a rotation or reflection) and then a translation.

Observations:

  1. Pre-image (GHJK) is positioned horizontally, while the final image GHJKG'H'J'K' is vertically oriented.
  2. Final Image Position: The shape has been rotated and translated.
  3. Rotation Analysis: The shape has been rotated counterclockwise from its original position. Given the choices, the shape appears to be rotated by 90° counterclockwise around point KK, as it preserves the relative orientation of points after the rotation.

Translation:

After the rotation, the image needs to be translated to match the position of GHJKG'H'J'K', which is a translation to the right (as described in the prompt).

Solution:

  • The first transformation is a 90° counterclockwise rotation about point KK.
  • The second transformation is a translation to the right.

Would you like further clarification on any step, or additional questions to explore this concept?


Here are five related questions:

  1. What would happen if we applied a 270° counterclockwise rotation instead?
  2. How do you determine the center of rotation for any transformation?
  3. What is the general formula for finding the coordinates of a point after rotation?
  4. How would this problem change if the translation were to the left instead of the right?
  5. Can the order of transformations affect the final result? If so, how?

Tip: When dealing with transformations, always visualize how each step (rotation, reflection, translation) alters the position and orientation of the shape.

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Math Problem Analysis

Mathematical Concepts

Geometric Transformations
Rotation
Translation

Formulas

Rotation Matrix
Translation Vector

Theorems

Rotation Theorem
Translation Theorem

Suitable Grade Level

Grades 8-10