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二次方程式 vol.1

Authored by yuta nakai

Mathematics

9th Grade

Used 6+ times

二次方程式 vol.1
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

25の平方根は?

5

±5\pm5

5\sqrt{5}

±5\pm\sqrt{5}

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

二次方程式「 x2=16x^2=16 」を解きなさい。

 x=4x=4  

 x=±8x=\pm8  

 x=±4x=\pm4  

 x=4x=-4  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

二次方程式「 6x2=546x^2=54 」を解きなさい。

 x=±3x=\pm3  

 x=3x=3  

 x=9x=9  

 x=±6x=\pm6  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

二次方程式「 2x2=362x^2=36 」を解きなさい。

 x=±6x=\pm6  

 x=±18x=\pm18  

 x=±32x=\pm3\sqrt{2}  

 x=±33x=\pm3\sqrt{3}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

二次方程式「 x26x+8=0x^2-6x+8=0 」の解であるものを選びなさい。

0

1

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3

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