Mathematics

10th

grade

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AkarPersamaan Kuadrat

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  • 1. Multiple Choice
    2 minutes
    1 pt

    Penyelesaian persamaan kuadrat          x2+13x+30=0x^2+13x+30=0  adalah…

     {10,3}\left\{10,-3\right\}  

     {2,15}\left\{-2,-15\right\}  

     {2,15}\left\{2,-15\right\}  

     {3,10}\left\{-3,-10\right\}  

  • 2. Multiple Choice
    2 minutes
    1 pt

    Salah satu akar persamaan kuadrat  x29x+8=0x^2-9x+8=0 adalah…

     2-2  

     3-3  

    1

    4

  • 3. Multiple Choice
    2 minutes
    12 pts

    Faktor dari  x2+5x+6=0x^2+5x+6=0  adalah ....

     (x+2)(x3)=0\left(x+2\right)\left(x-3\right)=0  

     (x2)(x+3)=0\left(x-2\right)\left(x+3\right)=0  

     (x2)(x3)=0\left(x-2\right)\left(x-3\right)=0  

     (x+2)(x+3)=0\left(x+2\right)\left(x+3\right)=0  

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