
equazioni di primo grado_1L_30marzo2020
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Medium
+1
Standards-aligned

Chiara Damato
Used 10+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cosa è una equazione ?
Una uguaglianza (=) fra 2 espressioni matematiche in cui compaiono una o più lettere dette INCOGNITE
Una espressione matematica in cui 'è il simbolo di uguale (=)
Una uguaglianza (=) fra espressioni matematiche in cui NON compaiono lettere.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Il primo principio di equivalenza afferma:
Se si aggiunge (+) o si sottrae (-) ai due membri di un’equazione una stessa quantità (numerica o espressione letterale), si ottiene un’equazione equivalente (stesso insieme di soluzioni) a quella data
Se si divide per la x l'equazione che si ottiene è una equivalente a quella data
Se si moltiplica per solo numeri interi positivi entrambi i membri di una equazione si ottiente una equazione equivalente alla precedente
Tags
CCSS.6.EE.B.7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un'equazione che non ha soluzioni si dice:
impossibile
determinata
indeterminata
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
8-2(4x+1)=-6x-2
Tags
CCSS.8.EE.C.7B
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.7.EE.B.4A
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
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