Math Problem Statement

What is the image of F (-2, 7) after a rotation of 180° clockwise?

Solution

The question asks for the image of point F(2,7)F(-2, 7) after a 180° clockwise rotation.

When you rotate a point (x,y)(x, y) by 180° clockwise (or counterclockwise, since a 180° rotation is the same in both directions), the new coordinates are given by (x,y)(-x, -y).

For the point F(2,7)F(-2, 7):

  • The new xx-coordinate becomes (2)=2-(-2) = 2.
  • The new yy-coordinate becomes (7)=7-(7) = -7.

Thus, the image of F(2,7)F(-2, 7) after a 180° clockwise rotation is F(2,7)F'(2, -7).

So, the correct answer is F'(2, -7).

Would you like more details or have any other questions?

5 Related Questions:

  1. What happens to a point after a 90° clockwise rotation?
  2. How do you determine the new coordinates after a 270° counterclockwise rotation?
  3. How is the formula for a 180° rotation derived?
  4. What is the effect of a 360° rotation on a point's coordinates?
  5. How do different types of transformations (e.g., reflections, translations) affect coordinates?

Tip:

For any rotation by θ\theta degrees, you can use trigonometric formulas for more complex cases, but remember that 90°, 180°, and 270° rotations have simple coordinate transformation rules.

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Math Problem Analysis

Mathematical Concepts

Geometry
Coordinate Rotations

Formulas

Rotation by 180°: (x, y) -> (-x, -y)

Theorems

Rotation Theorem

Suitable Grade Level

Grades 8-10