Question

If pentagon ABCDE is rotated 180° around the origin to create pentagon A’B’C’D’E’, what is the ordered pair of point C’?

(-5, 2)

(5, 2)

(2, -5)

(-2, 5)

Answer 1

a 180 degree rotation about the origin just changes the x, y coordinates from positive to negative and vice versa...

Answer 2

so -2 goes to 5 and -5 goes to 2?

Answer 3

im confused..

Answer 4

(5,2) ?

Answer 5

i'm not sure either - is what i said correct dpainc?

Answer 6

no, only the sign changes...

Answer 7

was I correct than?

Answer 8

oh yeah....:)

Answer 9

okay , yay. thanks again :)

Answer 10

yw..:)