anonymous
  • anonymous
REALLY NEED SOMEONE TO HELP ME!!!! Which sequence of transformations was performed on figure PQRS to produce figure PꞌꞌQꞌꞌRꞌꞌSꞌꞌ? A. PQRS was reflected across the y-axis and then rotated 90° counterclockwise about the origin. B. PQRS was reflected across the x-axis and then rotated 90° counterclockwise about the origin. C. PQRS was translated 5 units left and then reflected across the x-axis. D. PQRS was rotated 180° clockwise around the origin and then translated 1 unit left.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
http://static.k12.com/calms_media/media/1574000_1574500/1574347/1/143ee00b309f8fe793af27f025a0ac8f65b4f77e/MS_IMC-141231-111319.jpg
anonymous
  • anonymous
@brucebaner @Destinymasha @Phebe @pooja195 @sleepyjess
anonymous
  • anonymous
i reallllllllllllly need help

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More answers

anonymous
  • anonymous
@Nnesha ? any ideas?
Nnesha
  • Nnesha
hm not sure..
anonymous
  • anonymous
to me, like none work
Nnesha
  • Nnesha
do you know the definition of 90 counterclockwise and 180 , 90 clockwise ?
anonymous
  • anonymous
uhm i think so
Nnesha
  • Nnesha
90 counterclockwise \[\large\rm (x,y) ----> (-y,x)\] 90 clockwise \[\large\rm (x,y)----->(y,-x)\] 180 clockwise \[\large\rm (x,y)---->(-x,-y)\]
anonymous
  • anonymous
okay yeah thats what i thought
anonymous
  • anonymous
sooooo not D?
Nnesha
  • Nnesha
thinking
anonymous
  • anonymous
because p=1,2 and p"=-2,-1
Nnesha
  • Nnesha
gimme a sec i mean 5 mint
anonymous
  • anonymous
okay
anonymous
  • anonymous
i really dont think its C so im guessing A or B
Nnesha
  • Nnesha
yah i guess i'm working 'n it
anonymous
  • anonymous
Im thinking A, hbu?
Nnesha
  • Nnesha
1 mint :3
anonymous
  • anonymous
it was A, thanks for explaining the 90' and 180" things for me =D your a lifesaver!!!
Nnesha
  • Nnesha
yea you are right sorry for late i was did something wrong and here is an explanation for A so first we have to rotate across the y -axis to do that we have to y -coordinate stays same like in original image and change the sign of x coordinate so in the original image P (1,2) Q(3,1) R(3,3) S(1,4) rotate over y-axis like i said y values stay same change sign of x coordinate P(-1,2) Q(-3,1) R(-3,3) S(-1,4)|dw:1434320428977:dw| now we have to use those definitions
Nnesha
  • Nnesha
|dw:1434320615696:dw| over y-axis
Nnesha
  • Nnesha
after reflection P(-1,2) P''(-2,-1) Q(-3,1) Q''(-1,-3) R(-3,3) R''(-3,-3) S(-1,4) S''(-4,-1) \[\large\rm 90-countercloskwise (x,y)---->(-y,x)\] so yeah that's how A is right
anonymous
  • anonymous
Thanks so much for your time =)
Nnesha
  • Nnesha
my pleasure :-)

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