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02-SISTEMI DI DISEQUAZIONI LINEARI, DISEQUAZIONI FRATTE E CON VALORE ASSOLUTO

Authored by Laura Todisco

Mathematics

9th - 12th Grade

Used 46+ times

02-SISTEMI DI DISEQUAZIONI LINEARI, DISEQUAZIONI FRATTE E CON VALORE ASSOLUTO
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6 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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La soluzione è:

4<x<54<x<5

2<x<52<x<5

x<4 x>5x<4\ \vee\ x>5

x<2 x>5x<2\ \vee\ x>5

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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La soluzione è:

a3a\ge-3

aR\forall a\in R

impossibile

a3a\le3

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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La soluzione è:

x72x\le\frac{7}{2}

0x720\le x\le\frac{7}{2}

x76x\le\frac{7}{6}

x<0x<0

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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Osserva la figura. Essa rappresenta l’insieme delle soluzioni di una delle seguenti disequazioni. Quale?

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5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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Trova la soluzione

x<3 x3x<-3\ \vee\ x\ge3

x3 x>3x\le-3\ \vee\ x>3

3<x3-3<x\le3

3x<3-3\le x<3

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

La disequazione   4x2<0 -\frac{4}{x^2}<0\   è verificata...

 xR\forall x\in R  

 x0\forall x\ne0  

per nessun valore di x

 x<0x<0  

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