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Toán 9

Authored by Bùi Bảo

Mathematics

9th Grade

Used 687+ times

Toán 9
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20 questions

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1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Căn bậc hai của 6 là

6\sqrt{6}

- 6\sqrt{6}

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

3

2.

MULTIPLE CHOICE QUESTION

10 mins • 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 QUESTION

10 mins • 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

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

 Tıˋm x, bie^ˊt :x>6Tìm\ x,\ biết\ :\sqrt{x}>6  

x > 6

 0x<360\le x<36  

 0<x360<x\le36  

x>36

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

 Tıˋm x, bie^ˊt : x2 = 3Tìm\ x,\ biết\ :\ x^2\ =\ 3  

x=3

 x=3x=\sqrt{3}  

 x=3x=-\sqrt{3}  

 x= 3 vaˋ x=3x=\ \sqrt{3}\ và\ x=-\sqrt{3}  

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

 Tıˋm x kho^ng a^m, bie^ˊt : x=11Tìm\ x\ không\ âm,\ biết\ :\ \sqrt{x}=11  

 x=11x=\sqrt{11}  

 x=11x=11  

 x=121x=121  

 x=11x=\sqrt{\sqrt{11}}  

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

 Tıˋmx kho^ng a^m ,bie^ˊt:  3x=15Tìmx\ không\ âm\ ,biết:\ \ 3\sqrt{x}=15  

x=5

x=25

 x=25x=\sqrt{25}  

x=3

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