Math Problem Statement

Which algebraic rule represents the transformation shown on the grid?

Solution

To determine the algebraic rule for the transformation shown, we observe the given points and their transformations:

  1. Points TT, UU, and VV reflect across the x-axis to become TT', UU', and VV'.
  2. The original and transformed points have coordinates as follows:
    • TT is at approximately (5,1)(-5, 1) and reflects to TT' at (5,1)(-5, -1).
    • UU is at approximately (0,5)(0, 5) and reflects to UU' at (0,5)(0, -5).
    • VV is at approximately (5,1)(5, 1) and reflects to VV' at (5,1)(5, -1).

This shows that each point's y-coordinate has been negated, while the x-coordinate remains the same. This is a reflection over the x-axis.

Algebraic Rule

The rule representing this transformation is: (x,y)(x,y)(x, y) \rightarrow (x, -y)

Would you like more details or have any questions?


Here are some related questions to expand on this topic:

  1. What other transformations can be represented by algebraic rules?
  2. How would a reflection over the y-axis be represented algebraically?
  3. What is the rule for a rotation of 90 degrees around the origin?
  4. How can we represent a translation in terms of algebraic rules?
  5. What is the effect of combining multiple transformations on a figure?

Tip: When reflecting across the x-axis, only the y-coordinate changes sign, while the x-coordinate remains constant.

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Math Problem Analysis

Mathematical Concepts

Coordinate Geometry
Transformations
Reflection

Formulas

(x, y) → (x, -y)

Theorems

Reflection across the x-axis

Suitable Grade Level

Grades 8-10