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anonymous

  • one year ago

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'?

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  1. anonymous
    • one year ago
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    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

  2. anonymous
    • one year ago
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  3. anonymous
    • one year ago
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    is the answer C? i am not sure why, but i would like help on this :( and an explanation

  4. anonymous
    • one year ago
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    @Hero @campbell_st @Loser66 @dan815 @Kainui

  5. anonymous
    • one year ago
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    can any of you guys please assist me?

  6. anonymous
    • one year ago
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    @whpalmer4 @zzr0ck3r

  7. campbell_st
    • one year ago
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    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'?

  8. anonymous
    • one year ago
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    8 to the right and 8 up ?

  9. anonymous
    • one year ago
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    its all adding in the options :(

  10. campbell_st
    • one year ago
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    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)

  11. campbell_st
    • one year ago
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    do your choice of C seems correct

  12. anonymous
    • one year ago
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    let me check

  13. anonymous
    • one year ago
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    no because it gives me (-3,6)

  14. anonymous
    • one year ago
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    @campbell_st

  15. campbell_st
    • one year ago
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    well if you move 1st... that's the order, then reflect in the y-axis C is the correct answer

  16. campbell_st
    • one year ago
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    when you reflect, the point has to be the same perpendicular distance from the line of reflection.

  17. anonymous
    • one year ago
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    so basically the subtraction sign is the opposite when i reflect it over the y axis?

  18. anonymous
    • one year ago
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    @campbell_st

  19. campbell_st
    • one year ago
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    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.

  20. campbell_st
    • one year ago
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    sorry to confuse ou as you had identified the correct answer... before I started

  21. anonymous
    • one year ago
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    oh, lol its okay an thank you for the help :) @campbell_st

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