Math Problem Statement

solve

Solution

Let's break down the transformations one by one to determine the correct description.

Given Transformations:

  1. (x,y)(x2,y+3)(x, y) \rightarrow (x - 2, y + 3)
  2. (x,y)(x,y)(x, y) \rightarrow (-x, y)
  3. (x,y)(x,y)(x, y) \rightarrow (x, -y)
  4. (x,y)(y,x)(x, y) \rightarrow (-y, -x)

Analyzing Each Transformation:

  1. (x,y)(x2,y+3)(x, y) \rightarrow (x - 2, y + 3):

    • This transformation shifts xx by 2-2 and yy by +3+3.
    • This is a translation: 2 units to the left and 3 units up.
  2. (x,y)(x,y)(x, y) \rightarrow (-x, y):

    • This transformation reflects the point over the yy-axis (because it changes the sign of xx).
    • This is a reflection over the y=0y = 0 mirror line (which is the y-axis).
  3. (x,y)(x,y)(x, y) \rightarrow (x, -y):

    • This transformation reflects the point over the xx-axis (because it changes the sign of yy).
    • This is a reflection over the x=0x = 0 mirror line (which is the x-axis).
  4. (x,y)(y,x)(x, y) \rightarrow (-y, -x):

    • This transformation rotates the point by 90 degrees clockwise and then reflects it over the origin.
    • This is equivalent to a rotation by 90° clockwise around the origin.

Matching with the Options:

Given the breakdown:

  • Translation 2 units to the left and 3 units up corresponds with the first transformation.
  • Reflection over the y=0y = 0 mirror line (y-axis) corresponds with the second transformation.
  • Reflection over the x=0x = 0 mirror line (x-axis) corresponds with the third transformation.
  • A 90° clockwise rotation corresponds with the fourth transformation.

The correct sequence described matches with the description in the fourth option:

  • Translation 2 units to the left and 3 units up.
  • R90R_{90^\circ} (90° rotation clockwise).
  • Reflection over the y=0y = 0 mirror line.
  • Reflection over the x=0x = 0 mirror line.

Answer: The correct answer is the last option.

Would you like more details or have any questions?

Here are 5 related questions for practice:

  1. What would the sequence look like if the order of transformations was reversed?
  2. How would a translation of 3 units down and 2 units right affect the result?
  3. What if the rotation was 90° counterclockwise instead of clockwise?
  4. How does a reflection over the origin differ from these transformations?
  5. What is the net effect of performing a reflection over both axes?

Tip: When analyzing multiple transformations, it helps to go step by step and visualize or sketch the intermediate steps.

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Math Problem Analysis

Mathematical Concepts

Transformations
Translation
Reflection
Rotation

Formulas

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Theorems

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Suitable Grade Level

High School