What transformation is represented by the rule (x, y)→(−x, −y) ?

rotation of 90° counterclockwise about the origin

rotation of 180° about the origin

reflection across the x-axis

rotation of 90° clockwise about the origin

1 Answer

  • Try a few points and you'll see what happens. For example if you had the point (2,3) in the first quadrant, you'll end up with the point (-2,-3) in the third quadrant.

    That's equivalent to a rotation of 180° about the origin.

Leave a Reply

Your email address will not be published. Required fields are marked *

Related Posts