Question

An image point after a 180° rotation is Z'(5, 9). What were the coordinates of the pre-image point?

Z(-9, -5)

Z(-9, 5)

Z(-5, -9)

Z(9, -5)

Answer 1

It's Clockwise

Answer 2

The rule of the reflection of 180 ( cw or ccw) is\[(x,y)\rightarrow (-x,-y)\]

Answer 3

So B?

Answer 4

B is (-9,5)
does it make sense?

Answer 5

Not really :/

Answer 6

Ok
think about another one

Answer 7

C

Answer 8

Great!
C
Are you sure?

Answer 9

Yes C would be right.

Answer 10

Thank :3

Answer 11

Thank you for learning!!

Answer 12

Thank you for the medal!

Answer 13

What matters is that you got the idea and can do solving such this yourself.