RADICALI...con la testa!

RADICALI...con la testa!

10th - 11th Grade

10 Qs

quiz-placeholder

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RADICALI...con la testa!

RADICALI...con la testa!

Assessment

Quiz

Mathematics

10th - 11th Grade

Hard

Created by

federica franciosi

Used 11+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

La radice quadrata di

 64201664^{2016}  è:

 820148^{2014}  

 810088^{1008}  

 64201464^{2014}  

 64100864^{1008}  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Il numero

 10\sqrt{10}  è:

compreso tra 9 e 11

uguale a 5

compreso tra 3 e 4

uguale a 100

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Qual è il MAGGIORE tra i seguenti numeri?

 201320\cdot\sqrt{13}  

 2013\sqrt{20}\cdot13  

 2013\sqrt{20}\cdot\sqrt{13}  

 2013\sqrt{201}\cdot3  

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Quale è il valore di  (((22)2)4)2\sqrt{\sqrt{\left(\sqrt{\left(\sqrt{\left(\sqrt{2^2}\right)^2}\right)^4}\right)^2}}  ?

6,4

2

 2\sqrt{2}  

nessuna delle risposte è giusta

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Dati due numeri non negativi

 aa  e bb  , quando è vera l'uguaglianza:  a+b=a+b\sqrt{a}+\sqrt{b}=\sqrt{a+b}  ?

Sempre

Mai

Se e solo se  a=ba=b  

Se e solo se  ab=0a\cdot b=0  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Quanto fa 20+45\sqrt{20}+\sqrt{45}  ?


 65\sqrt{65}  

 900\sqrt{900}  

 125\sqrt{125}  

Non si può semplificare ancora

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

Gaia ha realizzato una cornice portafoto con un cartoncino 15cm  per  20cm20cm , come in figura. Quanto misura il perimetro della parte di foto visibile?

 105+101010\sqrt{5}+10\sqrt{10}  

 10+101010+10\sqrt{10}  

 105+1010\sqrt{5}+10  

non ci sono abbastanza dati per rispondere

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