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anonymous

  • one year ago

PLEASE HELP. will medal and fan. Use matrices to determine the coordinates of the vertices of the reflected figure. Then graph the pre-image and the image on the same coordinate grid. Triangle RST with vertices R (-3, 7), S (5, 3), and T (6, -5) reflected over the line y=x.

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  1. anonymous
    • one year ago
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    this is my answer

  2. RamiroCruzo
    • one year ago
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    The matrix will have to satisfy this property ax + by = y cx + dy = x 0x + 1y = y 1x + 0y = x \[\left[\begin{matrix}0 & 1 \\ 1 & ?\end{matrix}\right]\]

  3. RamiroCruzo
    • one year ago
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    Oops, ?=0

  4. RamiroCruzo
    • one year ago
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    So, coords are R'(7,-3) , S'(3,5) , & T'(-5,6)

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