Question

The point S(x.y)=(-y,x). what transformation is S

Answer 1

Answer:

90 degree counter clockwise rotation.

Explanation:

We want to find the transformation on S;

$S(x,y)\rightarrow(-y,x)$

Recall that the 90 degree counter clockwise rotation from 1st quadrant to 2nd quadrant can be represented as;

$(x,y)\rightarrow(-y,x)$

Therefore, the transformation in S is a 90 degree counter clockwise rotation.