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anonymous
 one year ago
( 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)
anonymous
 one year ago
( 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)

This Question is Closed

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.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

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1what are the coordinates of point A?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1what does A shift to when you shift `2 units down and 1 unit left`

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1you mixed up x and y

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1dw:1444170735186:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i was just about to say that haha my bad 1,2

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1dw:1444170750332:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1don't forget the parenthesis to surround the 2 values

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1Then you'll do a 90 degree clockwise rotation about the origin To do that, you follow this rule: (x,y) > (y,x)

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1apply the rule to (1,2) to get (???, ???)

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1close, but notice how there is a negative in the second part of the rule `(x,y) > (y,x)`

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1so it should be (2,1) dw:1444171012616:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1dw:1444171040427:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1dw:1444171057927:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1so after the shift and rotation, A moves from (0,0) to (2,1)

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1apply these steps to B and C to figure out where they end up

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1sorry my notification thing wasn't working

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0No problem, Thanks again c:

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1you're welcome
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