Question

If P(-2, 1) is rotated 90°, its image is (2, -1) (1, -2) (-1, -2)

Answer 1

The answer is (-1,-2)

Answer 2

Answer:

The correct option is 3.

Step-by-step explanation:

If a point  rotated 90° counterclockwise about the origin, then

$(x,y)\rightarrow (-y,x)$

It is given that P(-2, 1) is rotated 90°, it means point  rotated 90° counterclockwise about the origin. So, thje image of the point P is

$P(-2,1)\rightarrow P'(-(1),(-2))$

$P(-2,1)\rightarrow P'(-1,-2)$

The coordinates of image of point P are(-1,-2).

Therefore the correct option is 3.