A figure is rotated 90 degrees counterclockwise about the origin. Which of the following function mappings was applied?

Question

Enter the number of the correct option.
Item 11
Item 12
Option #1: (x, y) → (y, -х)
Item 13
Option #2: (x, y) → (-y, x)
Item 14

Item 15
Option #4: (x, y) → (y, x)
Item 16
(1 point)
Item 17
The mapping for a 90-degree counterclockwise rotation is Option #

Answer 1

The correct mapping for a 90-degree counterclockwise rotation about the origin is:

Option #2: (x, y) → (-y, x)

So, the answer is Option #2.