
2次不等式
Authored by Mori undefined
Mathematics
10th Grade
Used 8+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2次不等式 (x-2)(x-4)>0 を解け。
2<x<4
x<2, 4<x
2≦x≦4
x≦2, 4≦x
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2次不等式 (x+2)(x-5)<0 を解け。
-2<x<5
x<-2, 5<x
-2≦x≦5
x≦-2, 5≦x
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2次不等式 (x+2)(x-2)≦0 を解け。
-2≦x≦2
-2<x<2
x<-2, 2<x
x≦-2, 2≦x
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2次不等式 x2-x-2≧0 を解け。
-1<x<2
x<-1, 2<x
-1≦x≦2
x≦-1, 2≦x
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2次不等式 x2+5x+6>0 を解け。
-3<x<-2
x<-3, -2<x
-3≦x≦-2
x≦-3, -2≦x
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2次不等式 x2-4x+4>0 を解け。
2以外のすべての実数
すべての実数
解なし
x=2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2次不等式 x2-10x+25<0 を解け。
5以外のすべての実数
すべての実数
解なし
x=5
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