equazioni e disequazioni esponenziali

equazioni e disequazioni esponenziali

11th Grade

16 Qs

quiz-placeholder

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equazioni e disequazioni esponenziali

equazioni e disequazioni esponenziali

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Hard

Created by

Silvia Formaggia

Used 60+ times

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Risolvi la seguente disequazione esponenziale:  (25)x+3<(52)x2\left(\frac{2}{5}\right)^{x+3}<\left(\frac{5}{2}\right)^{x-2}  

 x<12x<\frac{1}{2}  

 x>12x>-\frac{1}{2}  

 x<12x<-\frac{1}{2}  

nessuna delle precedenti

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Risolvi la disequazione  23x<42x2^{3x}<4^{2x}  

x<0

x<1

 x>0x>0  

 impossibileimpossibile  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Risolvi la seguente disequazione:  (13)x23\left(\frac{1}{3}\right)^{x-2}\le3  

 x1x\le1  

 x1x\ge1  

 x1x\le-1  

 x1x\ge-1  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

La disequazione  (12)x+1>23x+1\left(\frac{1}{2}\right)^{x+1}>2^{3x+1}  ha soluzione:

 x<12x<-\frac{1}{2}  

 x>12x>-\frac{1}{2}  

 x<431<x<0x<-\frac{4}{3}\vee-1<x<0  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

la funzione nella foto ha come base un numero:

>1

<1

=1

<0

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Risolvi la disequazione esponenziale 52x < 1/25

x>-1

x>-2

x<-2

x<-1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual è la soluzione dell’equazione esponenziale 4x+4<04^x+4<0  

 11  

 1-1  

 non ammette soluzioninon\ ammette\ soluzioni  

 00  

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