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anonymous

  • one year ago

On a coordinate grid, point P is at (5, 8) and point R is at (−1, −3). Points Q and S are a reflection of both points across the x-axis. What are the coordinates of Q and S? Q(−5, 8), S(1, −3) Q(5, −8), S(−1, 3) Q(−5, −8), S(1, 3) Q(−5, 8), S(−1, 3)

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  1. anonymous
    • one year ago
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    @Robert136

  2. anonymous
    • one year ago
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    A reflection in the x-axis changes the sign of the y-coordinate. |dw:1440008131931:dw| What do you think the answer is?

  3. kyanda17
    • one year ago
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    i think it is Q -5,-8 S 1,3

  4. anonymous
    • one year ago
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    Not quite. Note that the x-coordinate doesn't change...just the y-coordinate. Try again.

  5. anonymous
    • one year ago
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    @Robert136

  6. anonymous
    • one year ago
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    Haha. Don't trust me?

  7. anonymous
    • one year ago
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    @ospreytriple I do trust u but @Robert136 give me da answer 1 den explain it to me

  8. anonymous
    • one year ago
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    Fair enough. However, I think I've explained that you just need to change the sign on the y-coordinates to get the correct answer.

  9. anonymous
    • one year ago
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    It's therefore the third one. @ospreytriple had explained it well enough.

  10. anonymous
    • one year ago
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    Remember that reflection across the x axis results in change of the sign for both coordinates. On the other hand, reflection across the y axis results in change of only the x value.

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