Question

What is the image of the point (6,9) after a rotation of 270° counterclockwise about

the origin?

Answer 1

(9,-6)

Explanation:

(x,y)→(y,-x)

Negate the x then switch

(x,y)→(y,−x)

(6,9)→(9,−(6))=(9,−6)

Answer 2

(-9,-6)

Explanation