Esponenziali e logaritmi

Esponenziali e logaritmi

11th Grade

10 Qs

quiz-placeholder

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Esponenziali e logaritmi

Esponenziali e logaritmi

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Hard

CCSS
HSF-IF.C.7E, HSF.LE.A.2

Standards-aligned

Created by

Raffaele Pierri

Used 67+ times

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10 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

1 min • 1 pt

 2x2(x+2)>32^x-2^{\left(x+2\right)}>3  

impossibile

x>0

x<0

per ogni x

nessuna delle altre

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 2x2(x+2)+9>02^x-2^{\left(x+2\right)}+9>0  

impossibile

 x<log23x<\log_23  

 x>log23x>\log_23  

per ogni x

nessuna delle altre

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 log93\log_9\sqrt{3}  vale

 x=14x=\frac{1}{4}  

 x=12x=\frac{1}{2}  

x=4

x=-2

nessuna delle altre

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