Math Problem Statement

Rotate the figure with points A(2,0), B(-1,-2), and C(2,-2) 180 degrees around the origin. State the points of the image using proper notation and no spaces.

Solution

To rotate the figure with points A(2,0)A(2,0), B(1,2)B(-1,-2), and C(2,2)C(2,-2) 180 degrees around the origin, you need to apply the transformation (x,y)(x, y)(x,y)(-x, -y) to each point.

  • Point A(2,0)A(2,0) becomes A(2,0)A'(-2,0).
  • Point B(1,2)B(-1,-2) becomes B(1,2)B'(1,2).
  • Point C(2,2)C(2,-2) becomes C(2,2)C'(-2,2).

So, the points of the image are:

  • A(2,0)A'(-2,0)
  • B(1,2)B'(1,2)
  • C(2,2)C'(-2,2)

Would you like more details on how rotations work or have any other questions?

Here are 5 related questions:

  1. How would you rotate a point 90 degrees counterclockwise around the origin?
  2. What are the coordinates of point D(3,4)D(-3,4) after a 180-degree rotation around the origin?
  3. How does rotating a figure 270 degrees clockwise compare to rotating it 90 degrees counterclockwise?
  4. What is the general formula for rotating a point (x,y)(x,y) by θ\theta degrees around the origin?
  5. How does reflecting a point over the y-axis differ from rotating it 180 degrees around the origin?

Tip: When rotating a point 180 degrees around the origin, the coordinates simply switch signs.

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Math Problem Analysis

Mathematical Concepts

Geometry
Coordinate Transformation

Formulas

Rotation transformation: (x, y) → (-x, -y)

Theorems

Rotation Theorem

Suitable Grade Level

Grades 6-8