Mathematics

9th

grade

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Persamaan Kuadrat dan Fungsi Kuadrat

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20 questions

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  • 1. Multiple Choice
    3 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
    3 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
    3 minutes
    1 pt

    Diketahui persamaan kuadrat  2x212x8=02x^2-12x-8=0 .  Nilai  x1. x2=...x_1.\ x_2=...  

     4-4  

     44  

     6-6  

     66  

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