
SECONDA - RADICALI
Quiz
•
Mathematics
•
4th Grade
•
Practice Problem
•
Medium
virginia rinaldi
Used 1+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
È dato un numero x negativo e diverso da zero. È possibile trovare un numero reale b tale che b2=x?
Sì, ma solo se b è positivo.
Sì, ma b deve essere negativo.
Sì.
No, in nessun caso.
Non ci sono elementi sufficienti per rispondere.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Indica quale delle seguenti uguaglianze è vera per qualunque valore reale di x.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Indica quale delle seguenti uguaglianze è vera per un numero reale positivo a.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Indica in quale delle seguenti uguaglianze è stata applicata correttamente la proprietà invariantiva.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Per ogni x.
Per ogni x positivo.
Per x maggiore o uguale a 1.
Per x negativo.
Per x diverso da 1.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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