Question

What is the image of the point (4, –2) after a rotation 270° clockwise about the origin?

(2, 4)
(–2, 4)
(4, 2)
(–4, 2)
@michele_laino

Answer 1

@Michele_Laino

Answer 2

after a rotation of 270 degrees, the image of a point P=(x,y), is:
P'=(-y,x)

Answer 3

2,4

Answer 4

that's right!

Answer 5

please keep my statement above as a general rule