Question

Name the image of C(6, –4) under a rotation 90 counter-clockwise about the origin.

a. C(–4, –6)
b. C(6, 4)
c. C(–6, –4)
d. C(4, 6)

Answer 1

d.) (4,6)

Explanation:

(-y,x) is the formula for a 90 counter-clockwise rotation.

So, it's (4,6)