TEST DISEQUAZIONI MODULARI

TEST DISEQUAZIONI MODULARI

10th - 12th Grade

19 Qs

quiz-placeholder

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TEST DISEQUAZIONI MODULARI

TEST DISEQUAZIONI MODULARI

Assessment

Quiz

Mathematics

10th - 12th Grade

Hard

Created by

sergio la malfa

Used 56+ times

FREE Resource

19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x1<2\left|x-1\right|<2  ha soluzioni:

 1<x<2-1<x<2  

 1<x<3-1<x<3  

 x<1x>3x<-1\vee x>3  

 x<1x<-1  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 x+1>2\left|x+1\right|>-2  

 x<3x>1x<-3\vee x>1  

impossibile

 xR\forall x\in R  

 3<x<1-3<x<1  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Quale tra le seguenti disequazioni è impossibile?

3x<1\left|3-x\right|<1

3+x>1\left|3+x\right|>-1

x1x>1\left|\frac{x-1}{x}\right|>1

xx3<2\left|\frac{x}{x-3}\right|<-2

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 3x2>6\left|3-x^2\right|>6  

 3<x<3-3<x<3  

 x>3x>3  

 x<3x>3x<-3\vee x>3  

impossibile

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 x2<5x\left|x-2\right|<5-x  ha soluzioni:

 x>7x>7  

è impossibile

 x<72x<\frac{7}{2}  

 x>2x>2  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

come si risolve l'equazione del tipo  p(x)<k\left|p\left(x\right)\right|<k  con k positivo?

si pone  p(x)<kp\left(x\right)<k  

si pone  p(x)>kp\left(x\right)>k  

 k<p(x)<k-k<p\left(x\right)<k  

 p(x)<k  p(x)>kp\left(x\right)<-k\ \vee\ p\left(x\right)>k  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 x+2x>3\left|x\right|+2\left|x\right|>3  

 x<1x<-1  

 x<1 x>1x<-1\vee\ x>1  

 1<x<1-1<x<1  

 0<x<10<x<1  

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