Question

What is the image of the point (1,8)(1,8) after a rotation of 180 counterclockwise about the origin?

Answer 1

(- 1, - 8 )

Explanation:

Under a counterclockwise rotation about the origin of 180°

a point (x, y ) → (- x, - y ) , thus

(1, 8 ) → (- 1, - 8 )