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Mathematics

9th

grade

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Toán 9

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20 questions

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  • 1. Multiple Choice
    10 minutes
    1 pt

    Căn bậc hai của 6 là

    6\sqrt{6}

    - 6\sqrt{6}

    6, 6\sqrt{6},\ -\sqrt{6}

    3

  • 2. Multiple Choice
    10 minutes
    1 pt

     So saˊnh  3 vaˋ 11So\ sánh\ \ 3\ và\ \sqrt{11} 

     3  113\ \ge\ \sqrt{11}  

     3 113\ \le\sqrt{11}  

     3>113>\sqrt{11}  

     3<113<\sqrt{11}  

  • 3. Multiple Choice
    10 minutes
    1 pt

     Tıˋm x, bie^ˊt : x<3Tìm\ x,\ biết\ :\ \sqrt{x}<3  

    x < 9

     0x<90\le x<9  

     0<x90<x\le9  

    x <  3

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