Mathematics
7 Online
OpenStudy (anonymous):
If rectangle ABCD was reflected over the y-axis, reflected over the x-axis,and rotated 180°, where would point A' lie?
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OpenStudy (anonymous):
OpenStudy (twopointinfinity):
(1,-2)
OpenStudy (anonymous):
The answers are:
1.) (1,-1)
2.) (1,1)
3.) (-4,-1)
4.) (-4,1)
OpenStudy (twopointinfinity):
oh wait if that's not one of your answer choices let me see here again..
OpenStudy (twopointinfinity):
roates 180degrees on what point? Rotated from center shape?
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OpenStudy (anonymous):
I don't know that's what I was wondering, my online class words things badly
OpenStudy (twopointinfinity):
well if rotated on point A ... point A doesn't move.
OpenStudy (twopointinfinity):
which still doesn't match any of the answers.
OpenStudy (anonymous):
Well it can be (1, -1)
OpenStudy (anonymous):
Because it's reflected over y-axis and then x-axis and if its rotated 180, your right A doesn't move so it would be on (1,-1)
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OpenStudy (twopointinfinity):
reflect or translated? Reflecting it makes the image flip over from one side.
OpenStudy (twopointinfinity):
Oh lord help us please. lol @mathmale
OpenStudy (anonymous):
Reflect, XD lol
OpenStudy (twopointinfinity):
well I don't know what shape you're looking at but I see it being at (4,-1) before being rotated
OpenStudy (anonymous):
Oh I see it can't be (1,-1)
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OpenStudy (anonymous):
Ok well that leaves me back to square 1 XD
OpenStudy (twopointinfinity):
Its a rectangle not a square.
OpenStudy (twopointinfinity):
;D
OpenStudy (anonymous):
XD lol
OpenStudy (anonymous):
Well I gtg to my next class Oh and the answer was (-4,1)
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OpenStudy (cwrw238):
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