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hba

  • 2 years ago

If the point (-5,-12) is reflected across the x-axis and then across y-axis,then what are the coordinates of the resulting point ?

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  1. AERONIK
    • 2 years ago
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    do you want a method or a direct formula ?

  2. hba
    • 2 years ago
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    Well i need hints ?

  3. hba
    • 2 years ago
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    So the formula and a diag would work @AERONIK

  4. AERONIK
    • 2 years ago
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    so basically take general points h and k, and find the foot of the perpendicular to the line... and then use the argument that the slopes of the line as the mirror and the line joining the 2 points are perpendicular, and you will get the answer...

  5. hba
    • 2 years ago
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    @AERONIK ok ok i loose,now give me the whole solution :D

  6. AERONIK
    • 2 years ago
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    just give me a line and a point and i will explain it to you in detail, else it will be monotonous..

  7. hba
    • 2 years ago
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    See my ques ?

  8. AERONIK
    • 2 years ago
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    (-5,-12) is in the third quadrant so its reflection along x axis will be in the second quadrant and that will be (-5,12) try finding its reflection now along the y axis, its just changing signs according to the quadrants, is that ok ?

  9. hba
    • 2 years ago
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    so (-5.-12)

  10. AERONIK
    • 2 years ago
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    it will be (5,12) and in the first quadrant. here is a tip, for me reflection with x axis and y axis is same as finding the reflection with respect to the origin....

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