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第一冊1-1.1一元二次不等式

Authored by 游佳穆 游佳穆

Mathematics

10th - 12th Grade

Used 102+ times

第一冊1-1.1一元二次不等式
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (x1)(x2)0\left(x-1\right)\left(x-2\right)\le0  

 1x21\le x\le2  

 2x1-2\le x\le-1  

 1x2-1\le x\le2  

 2x1-2\le x\le1  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (x+1)(x2)0\left(x+1\right)\left(x-2\right)\le0  

 1x21\le x\le2  

 2x1-2\le x\le-1  

 1x2-1\le x\le2  

 2x1-2\le x\le1  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (x1)(x+2)0\left(x-1\right)\left(x+2\right)\le0  

 1x21\le x\le2  

 2x1-2\le x\le-1  

 1x2-1\le x\le2  

 2x1-2\le x\le1  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (x+1)(x+2)0\left(x+1\right)\left(x+2\right)\le0  

 1x21\le x\le2  

 2x1-2\le x\le-1  

 1x2-1\le x\le2  

 2x1-2\le x\le1  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (x1)(x2)>0\left(x-1\right)\left(x-2\right)>0  

 x<1x<1  或 x>2x>2  

 x<1x<-1  或 x>2  

  x<2x<-2  或 x>1x>1  

  x<2x<-2  或 x>1x>-1  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (x+1)(x2)>0\left(x+1\right)\left(x-2\right)>0  

 x<1x<1  或 x>2x>2  

 x<1x<-1  或 x>2  

  x<2x<-2  或 x>1x>1  

  x<2x<-2  或 x>1x>-1  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (x+1)(x+2)>0\left(x+1\right)\left(x+2\right)>0  

 x<1x<1  或 x>2x>2  

 x<1x<-1  或 x>2  

  x<2x<-2  或 x>1x>1  

  x<2x<-2  或 x>1x>-1  

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