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ihavemathquestions

  • 4 years ago

In the graph below, point D is reflected across the y-axis. What are the coordinates of its image?

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  1. ihavemathquestions
    • 4 years ago
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  2. amistre64
    • 4 years ago
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    if all we do is reflect across the y axis; the only thing that changes is the sign of the x component

  3. ihavemathquestions
    • 4 years ago
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    so A?

  4. ihavemathquestions
    • 4 years ago
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    3, -1

  5. ihavemathquestions
    • 4 years ago
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    I mean C

  6. amistre64
    • 4 years ago
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    what are the coordinates for the point D?

  7. ihavemathquestions
    • 4 years ago
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    -3 - 1 is the corret answer

  8. ihavemathquestions
    • 4 years ago
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    right?

  9. ihavemathquestions
    • 4 years ago
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    cuz it flips

  10. amistre64
    • 4 years ago
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    i cant tell what the coords of D are, my eyes aint so good anymore

  11. amistre64
    • 4 years ago
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    but yes; the x part flips a sigh and the y parts stays the same

  12. ihavemathquestions
    • 4 years ago
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    coordinates of D are 3, 0

  13. ihavemathquestions
    • 4 years ago
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    idk ugh

  14. amistre64
    • 4 years ago
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    (3,y) flips over the y axis to (-3,y)

  15. amistre64
    • 4 years ago
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    im thinking C is correct

  16. amistre64
    • 4 years ago
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    (x,-y) flips to (-x,-y) so that fits the right pattern and nothing else seems to match it :)

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