Question

Determine the image of the point (-5, 2) under a rotation of 90° about the origin.

(-2,-5)
12,5)
(2,-5)
(2,5)

Answer 1

(2, 5)

Explanation:

Rotation clockwise 90° can be accomplished by the transformation ...

(x, y) ⇒ (y, -x)

so

(-5, 2) ⇒ (2, 5)