(x-2)(x-4)<0

2次不等式

Quiz
•
Mathematics
•
9th - 12th Grade
•
Medium
石川真琴 石川真琴
Used 3+ times
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40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
2<x<4
x<2 , 4<x
xはすべての実数
xは2以外のすべての実数
解なし
2.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
(x+9)(x-8)<0
-9<x<8
x<-9 , 8<x
xはすべての実数
xは-9以外のすべての実数
解なし
3.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
(x+7)(x-1)>0
-7<x<1
x<-7 , 1<x
xはすべての実数
xは-7以外のすべての実数
解なし
4.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
x(x+7)<0
-7<x<0
x<-7 , 0<x
xはすべての実数
xは-7以外のすべての実数
解なし
5.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
-5<x<5
x<-5 , 5<x
xはすべての実数
xは5以外のすべての実数
解なし
6.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
-1<x<1
x<-1 , 1<x
xはすべての実数
xは-1以外のすべての実数
解なし
7.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
-3<x<3
x<-3 , 3<x
xはすべての実数
xは-3以外のすべての実数
解なし
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