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Radicali

Authored by Marina Borghi

Mathematics

10th Grade

Used 25+ times

Radicali
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12 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

La condizione di esistenza del radicale x4\sqrt{x-4}  è:

 x0x\ge0  

Il radicale non esiste

 x4x\ge4  

 x<4x<4  

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

La condizione di esistenza è:

x>5x>5

x5x\ne5

x<5x<5

xR\forall x\in R

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 (x2)2=x2  \left(\sqrt{x-2}\right)^2=x-2\ \   se

 x2x\ge2  

Sempre

 x2x\ne2  

Mai

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

x6x\ne6

x6x\ge6

Mai

xR\forall x\in R

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

VERO

FALSO

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 (32)2=?\left(\sqrt{3}-\sqrt{2}\right)^2=?  

 565-\sqrt{6}  

 11  

 5265-2\sqrt{6}  

 5+265+2\sqrt{6}  

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 (32)(3+2)=?\left(\sqrt{3}-\sqrt{2}\right)\left(\sqrt{3}+\sqrt{2}\right)=?  

1

 5265-2\sqrt{6}  

 5+265+2\sqrt{6}  

 565-\sqrt{6}  

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