Question

Given a point ( x, y ) what is the new point when the point is rotate counterclockwise about the origin 270 degrees?

Answer 1

y, -x is the answer. ^^

Answer 2

When a point (x, y) is rotated counterclockwise about the origin by 270 degrees, the new point can be obtained by swapping the x and y-coordinates and changing the sign of the new x-coordinate.

So, the new point is (-y, x).