Question

( I don't understand at all)
ΔABC is translated 2 units down and 1 unit left. Then it is rotated 90° clockwise about the origin to create ΔA′B′C′. What are the coordinates of the vertices of ΔA′B′C′ ?

A. A′(-2, 0), B′(1, -1), C′(-1, -1)

B. A′(2, 1), B′(5, 0), C′(3, 0)

C. A′(-1, -2), B′(2, -3), C′(0, -3)

D. A′(-2, 1), B′(1, 0), C′(-1, 0)

Answer 1

`ΔABC is translated 2 units down and 1 unit left`

what you do is focus on each point one at a time. Start with point A. Move the point 2 units down and 1 unit to the left. You can do this with the coordinates

`2 units down` means you subtract 2 from the y coordinate
`1 unit left` means you subtract 1 from the x coordinate

Answer 2

https://scontent-iad3-1.xx.fbcdn.net/hphotos-xpt1/v/t1.0-9/12122805_10200907485207020_4619755177543600582_n.jpg?oh=d81039331b41de80dc4779aa0fc48975&oe=568550B4

Answer 3

what are the coordinates of point A?

Answer 4

(0,0)

Answer 5

what does A shift to when you shift `2 units down and 1 unit left`

Answer 6

-2,-1

Answer 7

you mixed up x and y

Answer 8

i was just about to say that haha my bad
-1,-2