Question

Figure ABCD is a parallelogram with point C(−4, 1). What rule would rotate the figure 90 degrees counterclockwise, and what coordinate would be the output for point C'?

Answer 1

(x,y)-->(y,-x) C' (1,4)
(x,y)-->(y,x) C' (1,-4)
(x,y)-->(-y,x) C' (-1,-4)
(x,y)-->(-y,-x) C' (-1,4)

Answer 2

@AlexandervonHumboldt2

Answer 3

ok

Answer 4

(x, y)--->(-y, x)

Answer 5

the third one

Answer 6

Thanks