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anonymous

  • one year ago

Which sequence of transformations will change figure PQRS to figure P′Q′R′S′? Figure : http://prntscr.com/7t9ncj Counterclockwise rotation about the origin by 180 degrees followed by reflection about the x-axis Counterclockwise rotation about the origin by 180 degrees followed by reflection about the y-axis Counterclockwise rotation about the origin by 270 degrees followed by reflection about the x-axis Counterclockwise rotation about the origin by 270 degrees followed by reflection about the y-axis

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  1. anonymous
    • one year ago
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    Do you know the reflection and rotation shortcuts?

  2. anonymous
    • one year ago
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    http://www.regentsprep.org/regents/math/geometry/gt5/RuleSheet.pdf

  3. anonymous
    • one year ago
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    We can also use common sense. Because a reflection across the x axis is highly unlikely unless it goes 360, which none of the above have, we can eliminate the x axis choices.

  4. anonymous
    • one year ago
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    Then 270 degree turn would but it in quadrant 1, so there goes D. All we have left is A. and that is the answer

  5. anonymous
    • one year ago
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    Okay, thank you. I understand it now.

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