anonymous
  • anonymous
Pentagon ABCDE and pentagon A'B'C'D'E' are shown on the coordinate plane below. Which two transformations are applied to pentagon ABCDE to create A'B'C'D'E'?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
A) translated according to the rule (x, y) → (x + 8, y + 2) and reflected across the y-axis B) translated according to the rule (x, y) → (x + 2, Cy + 8) and reflected across the x-axis C) translated according to the rule (x, y) → (x + 2, y + 8) and reflected across the y-axis D) translated according to the rule (x, y) → (x + 8, y + 2) and reflected across the x-axis
anonymous
  • anonymous
is the answer C? i am not sure why, but i would like help on this :( and an explanation

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More answers

anonymous
  • anonymous
@Hero @campbell_st @Loser66 @dan815 @Kainui
anonymous
  • anonymous
can any of you guys please assist me?
anonymous
  • anonymous
@whpalmer4 @zzr0ck3r
campbell_st
  • campbell_st
pick the point A how far right do it move to get to A'..? then how far up did A move to get to A'?
anonymous
  • anonymous
8 to the right and 8 up ?
anonymous
  • anonymous
its all adding in the options :(
campbell_st
  • campbell_st
opps miss read the order... moving A 2 right and up 8 puts it at (-3, 6) then reflecting across the y-axis will put it in the correct position A'(3, 6)
campbell_st
  • campbell_st
do your choice of C seems correct
anonymous
  • anonymous
let me check
anonymous
  • anonymous
no because it gives me (-3,6)
anonymous
  • anonymous
@campbell_st
campbell_st
  • campbell_st
well if you move 1st... that's the order, then reflect in the y-axis C is the correct answer
campbell_st
  • campbell_st
when you reflect, the point has to be the same perpendicular distance from the line of reflection.
anonymous
  • anonymous
so basically the subtraction sign is the opposite when i reflect it over the y axis?
anonymous
  • anonymous
@campbell_st
campbell_st
  • campbell_st
well my mistake is I didn't read the order of the 2 step transformation. Step 1. translate ... move of slide to a new position. Step 2 reflect... flip across a line... so be moving 2 right and up 8 you can slide the polygon into a position so it can be reflected into its new position.
campbell_st
  • campbell_st
sorry to confuse ou as you had identified the correct answer... before I started
anonymous
  • anonymous
oh, lol its okay an thank you for the help :) @campbell_st

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