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Equazioni e disequazioni irrazionali e in valore assoluto

Authored by laura giunta

Mathematics

10th Grade

Used 26+ times

Equazioni e disequazioni irrazionali e in valore assoluto
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11 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

L'equazione  x2x3=3\left|x^2-x-3\right|=-3 ha soluzione:

 xR\forall x\in R 

 ∌xR\not\ni x\in R 

x=3

x=0

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Lequazione x1+x21=0 ha soluzione x=1L'equazione\ \left|x-1\right|+\left|x^2-1\right|=0\ ha\ soluzione\ x=1 

vero

falso

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 La soluzione dellequazione3x+1=6 eˋ:La\ soluzione\ dell'equazione\left|3x+1\right|=6\ è:

 73 -\frac{7}{3}\  

 53\frac{5}{3} 

 73 e 53-\frac{7}{3}\ e\ \frac{5}{3} 

-7 e 5

4.

OPEN ENDED QUESTION

3 mins • Ungraded

 La soluzione dellequazione x26=x eˋ:La\ soluzione\ dell'equazione\ \left|x^2-6\right|=x\ è: 

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5.

OPEN ENDED QUESTION

30 sec • Ungraded

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6.

OPEN ENDED QUESTION

2 mins • Ungraded

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7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 La disequazionex25x+6>6 eˋ verificata per:La\ disequazione\left|x^2-5x+6\right|>6\ è\ verificata\ per: 

x<0

x>5

0<x<5

x<0 v x>5

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