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不等式组

Authored by Yuen Kheng

Mathematics

9th Grade

Used 7+ times

不等式组
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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

解不等式  2x3<22x-3<-2  。

 x<52x<-\frac{5}{2}  

 x>12x>\frac{1}{2}  

 x<12x<\frac{1}{2}  

 x>52x>-\frac{5}{2}  

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

解不等式  12x-1\ge2-x  。

 x3x\le-3  

 x3x\le3  

 x3x\ge3  

 x1x\ge1  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

解不等式 113x<511-3x<5 

 x<2x<2  

 x>2x>2  

 x<2x<-2  

 x>2x>-2  

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

不等式 3x+5143x+5\le14  有多少个正整数解?

 11  

 22  

 33  

 44  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

解不等式 32y<y+93-2y<y+9  。

 y<3y<3  

 y>3y>-3  

 y>2y>2  

 y>2y>-2  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

解不等式 159x>104x15-9x>10-4x  。

 x>513x>\frac{5}{13}  

 x>1x>1  

 x<1x<1  

 x<513x<\frac{5}{13}  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

解不等式 3(6x)>x23\left(6-x\right)>x-2 。 

 x<5x<5  

 x>5x>5  

 x>8x>8  

 x<10x<10  

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