
2次方程式
Authored by Mori undefined
Mathematics
10th Grade
Used 4+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2次方程式 x(x+4)=0 を解け。
x=-4
x=4
x=0, -4
x=0, 4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2次方程式 (x+1)(x-3)=0 を解け。
x=-1, 3
x=1, -3
x=1, 3
x=-1, -3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2次方程式 x2-5x+6=0 を解け。
x=2, 3
x=-2, -3
x=2, -3
x=-2, 3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2次方程式 x2-6x+9=0 を解け。
x=3
x=-3
x=0, 3
x=0, -3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2次方程式 x2+7x+9=0 の実数解の個数を求めよ。
0個
1個
2個
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2次方程式 x2+6x+9=0 の実数解の個数を求めよ。
0個
1個
2個
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2次方程式 3x2-5x+4=0 の実数解の個数を求めよ。
0個
1個
2個
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