Question

what happens to the point (2, 4) after rotating it 90 degrees clockwise around the origin?
a. (-4, 2)
b. (4, 2)
c. (-2, 4)
d. (4, -2)

Explanation:

Step1: Recall 90° clockwise rotation rule

For a point $(x,y)$, rotation gives $(y,-x)$

Step2: Substitute $x=2,y=4$ into rule

$(4, -2)$

Answer:

d. $(4,-2)$