Math Problem Statement

The vertices of triangle ABC are A(2, 2), B(4, 2), and C(3, 4). Apply the transformation (x, y) → (x + y, y) and determine the new vertices of the triangle. Is this transformation a translation? Explain your reasoning.

Solution

The problem involves the vertices of triangle ABC\triangle ABC at points A(2,2)A(2, 2), B(4,2)B(4, 2), and C(3,4)C(3, 4), and the task is to apply the transformation (x,y)(x+y,y)(x, y) \to (x + y, y).

Transformation Process:

  1. Transform each vertex using the given rule:

    • For A(2,2)A(2, 2): (x,y)(x+y,y)=(2+2,2)=(4,2)(x, y) \to (x + y, y) = (2 + 2, 2) = (4, 2)
    • For B(4,2)B(4, 2): (x,y)(x+y,y)=(4+2,2)=(6,2)(x, y) \to (x + y, y) = (4 + 2, 2) = (6, 2)
    • For C(3,4)C(3, 4): (x,y)(x+y,y)=(3+4,4)=(7,4)(x, y) \to (x + y, y) = (3 + 4, 4) = (7, 4)
  2. New vertices of ABC\triangle ABC:

    • A(4,2)A'(4, 2), B(6,2)B'(6, 2), C(7,4)C'(7, 4).

Explanation of the Transformation:

This is a translation, as each point's xx-coordinate is adjusted by adding the corresponding yy-value while the yy-coordinate remains unchanged. This results in a consistent shift in the graph without altering the shape or orientation of the triangle.

Correct Answer:

  • Yes, the figure is translated to the right.

Would you like further clarification or visualization of the transformation? Here are related questions to expand your understanding:

  1. What happens to the shape of ABC\triangle ABC under different types of transformations (e.g., rotations, reflections)?
  2. How would the transformation (x,y)(xy,y)(x, y) \to (x - y, y) affect the triangle's position?
  3. What are the algebraic conditions for a transformation to be a translation?
  4. Could you describe the differences between translations, dilations, and reflections geometrically?
  5. How does this transformation affect the distances between the vertices of the triangle?

Tip: When analyzing transformations, focus on how xx and yy coordinates are modified to predict geometric changes efficiently.

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Math Problem Analysis

Mathematical Concepts

Geometry
Coordinate Transformation
Translation

Formulas

(x, y) → (x + y, y)

Theorems

Translation theorem (preserves shape and orientation)

Suitable Grade Level

Grades 6-8