Question

If P = (5,4), find the image

of P under the following rotation.
180° counterclockwise about the origin
([?], [])
Enter the number that belongs in
the green box.

Answer 1

`(-5,-4)`

Explanation:

Given

`P = (5,4)`

Rotation: 180 degrees counterclockwise

Required

P'

Rotation: 180 degrees counterclockwise

The rule is:

`(x,y) \to (-x,-y)`

So:
`P = (5,4)` becomes

`(5,4) \to (-5,-4)`