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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 9: Vẽ đồ thị hàm số sau : a, y=3x+2 b, y=-2x+1 c, y=1-x d, y=-2x

Toán Lớp 9: Vẽ đồ thị hàm số sau :
a, y=3x+2
b, y=-2x+1
c, y=1-x
d, y=-2x

Comments ( 1 )

  1. Giải đáp + giải thích các bước giải:
    y=3x+2
    \begin{array}{|c|c|c|}\hline x&0&\dfrac{-2}{3}\\\hline y=2x+3&3&0\\\hline \end{array}
    y=-2x+1
    \begin{array}{|c|c|c|}\hline x&0&\dfrac{1}{2}\\\hline y=-2x+1&1&0\\\hline \end{array}
    y=1-x
    ->y=-x+1
    \begin{array}{|c|c|c|}\hline x&0&1\\\hline y=-x+1&1&0\\\hline \end{array}
    y=-2x
    \begin{array}{|c|c|c|}\hline x&0&1\\\hline y=-2x&0&-2\\\hline \end{array}

    toan-lop-9-ve-do-thi-ham-so-sau-a-y-3-2-b-y-2-1-c-y-1-d-y-2

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222-9+11+12:2*14+14 = ? ( )

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