ESPONENZIALI E LOGARITMI

ESPONENZIALI E LOGARITMI

10th Grade

8 Qs

quiz-placeholder

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ESPONENZIALI E LOGARITMI

ESPONENZIALI E LOGARITMI

Assessment

Quiz

Mathematics

10th Grade

Medium

Created by

monica zacchi

Used 144+ times

FREE Resource

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2x+1=02^x+1=0  ha soluzione

x=0

per ogni x

impossibile

x=-1

nessuna delle altre

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2(x1)=22^{\left(x-1\right)}=\sqrt{2}  ha soluzione

 x=12x=\frac{1}{2}  

per ogni x

impossibile

 x=32x=\frac{3}{2}  

nessuna delle altre

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 3x23^x\le2  ha soluzione

 xlog32x\le\log_32  

 xlog32x\ge\log_32  

 xlog23x\le\log_23  

 xlog23x\ge\log_23  

nessuna delle altre

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 3x133^x\le\frac{1}{3}  ha soluzione

 x1x\le-1  

 x1x\ge-1  

 x1x\le1  

 x1x\ge1  

nessuna delle altre

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La disequazione  non ha soluzioni 2x<02^x<0  non ha soluziono

VERO

FALSO

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

L’espressione  log(ab)3\log\left(ab\right)^3    è uguale a

 log3a+log3b\log3a+\log3b  

 3[log(a+b)]3[\log(a+b)]  

 3(logalogb)3(\log a·\log b)  

 3(loga+logb)3(\log a+\log b)  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La soluzione dell'equazione logaritmica  log(x2+3x)=log(x+8)\log(x^2+3x)=\log(x+8)   è

 x=4  x=2x=-4\ ∨\ x=-2  

 x=4  x=2x=4\ ∨\ x=-2  

 x=4  x=2x=-4\ ∨\ x=2  

 x=4  x=2x=4\ ∨\ x=2  

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 log3(2x1)=2; x=\log_3\left(2x-1\right)=2;\ x=  

5

6

-5

3