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Mathematics

8th

grade

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Diskriminants

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Luize Einause

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5 questions

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  • 1. Multiple Choice
    20 seconds
    1 pt

    Kāda ir diskriminanta formula?

    D=a2+4bc

    D=a2-4bc

    D=b2+4ac

    D=b2-4ac

  • 2. Multiple Choice
    20 seconds
    1 pt

    Ja D=0

    2 vienādas saknes

    2 dažādas saknes

    1 sakne

    sakņu nav

  • 3. Multiple Choice
    30 seconds
    1 pt

     2x2+x+5=02x^2+x+5=0  

     D=12+4×22×5D=1^2+4\times2^2\times5  

     D=12−4×2×5D=1^2-4\times2\times5  

     D=12+4×2×5D=1^2+4\times2\times5  

     D=12−4×22×5D=1^2-4\times2^2\times5  

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