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Christawna~Marie

  • 3 years ago

Geometry Help anyone?!....Which transformation will map Figure H onto Figure H’? A. reflection across the y-axis B. vertical translation of 10 units C. vertical translation of 15 units D. reflection across the x-axis

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  1. Christawna~Marie
    • 3 years ago
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  2. Razzputin
    • 3 years ago
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    if you look at the picture which axis is inbetween the two images?

  3. Razzputin
    • 3 years ago
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    @Christawna~Marie are you there?

  4. Christawna~Marie
    • 3 years ago
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    the x axis

  5. Christawna~Marie
    • 3 years ago
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    so the answer is D? ..but why how come its not a translation but rather a reflection? can you explain please?

  6. Razzputin
    • 3 years ago
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    if you look in a mirror what do you see?

  7. Christawna~Marie
    • 3 years ago
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    a relection...but it also looks like a translation...

  8. Christawna~Marie
    • 3 years ago
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    so in other words...how can I tell the difference?

  9. Razzputin
    • 3 years ago
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    a translation is when you take something and move it elsewhere so efectivly a reflection is also a translation.

  10. pitankar
    • 3 years ago
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    the answer is B. B. vertical translation of 10 units. It cannot be a reflection, note that H has a vertex at (4,2) and the reflection about X-axis will have vertex at (4,-2) but the figure H prime (the bottom one) has a vertex at (4,-3). Thus on reflection the figures won't overlap. Only way to do that is to slide down the figure above 10 units to the bottom.

  11. ganeshie8
    • 3 years ago
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    it cannot be a reflectio cuz, in mirror if u see, preimage is at same distance from the image. but here thats not the case..

  12. Razzputin
    • 3 years ago
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    ahhh, many pardons i did not look at the picture in detail.

  13. Christawna~Marie
    • 3 years ago
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    okay...I see what you mean about the reflection @pitankar and @ganeshie8

  14. ganeshie8
    • 3 years ago
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    it does look like a reflection cuz it has horizontal symmetry.. if it was translated just 9 units down, then its both translation and reflection

  15. Christawna~Marie
    • 3 years ago
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    okay. well thanks :)

  16. ganeshie8
    • 3 years ago
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    yw! :)

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