Question

(x, y) -----> (-y, -x) is a rotation of 90 degrees counterclockwise. false true 13/30

Explanation:

Step1: Recall rotation rule

The rule for a 90 - degree counter - clockwise rotation of a point $(x,y)$ about the origin is $(x,y)\to(-y,x)$.

Step2: Analyze given transformation

The given transformation is $(x,y)\to(-y, - x)$. This is not the correct rule for a 90 - degree counter - clockwise rotation.

Answer:

False