Question

1. rotate point (2,3) 90° counterclockwise about the origin. rotation 90° ccw original transformed a) (-3,2) b) (3,-2) c) (-2,-3) d) (2,-3)

Explanation:

Step1: Recall rotation rule

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

Step2: Apply the rule

Given the point $(2,3)$, where $x = 2$ and $y=3$. After applying the rule, we get $(-3,2)$.

Answer:

A. (-3,2)