9th-Grade-Math---USA
Properties-of-Transformations
Easy

Question

When a point (a, b) is rotated counterclockwise about the origin for a rotation of 180o, (a, b) rightwards arrow ___.

  1. (-b, -a)
  2. (-a, -b)
  3. (-a, b)
  4. (-b, a)

The correct answer is: (-a, -b)

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