
Equazioni di Primo Grado
Authored by luisanna Porceddu
Mathematics
8th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Risolvere l'equazione: 2x + 3 = 11
6
3
4
5
Answer explanation
Per risolvere l'equazione 2x + 3 = 11, sottrai 3 da entrambi i lati: 2x = 8. Poi dividi per 2: x = 4. Quindi, la risposta corretta è 4.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trova x: 5x - 7 = 3
1
2
3
4
Answer explanation
Per risolvere l'equazione 5x - 7 = 3, aggiungi 7 a entrambi i lati per ottenere 5x = 10. Poi dividi per 5, ottenendo x = 2. Quindi, la risposta corretta è 2.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcola x: 3(x - 2) = 9
7
1
3
5
Answer explanation
Per risolvere l'equazione 3(x - 2) = 9, dividi entrambi i lati per 3: x - 2 = 3. Aggiungi 2 a entrambi i lati per ottenere x = 5. Quindi, la risposta corretta è 5.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determina il valore di x: 4x + 1 = 2x + 9
2
8
6
4
Answer explanation
Per risolvere l'equazione 4x + 1 = 2x + 9, sottrai 2x da entrambi i lati: 2x + 1 = 9. Poi sottrai 1: 2x = 8. Dividi per 2: x = 4. Quindi, il valore corretto di x è 4.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Risolvi l'equazione: x/2 + 5 = 10
20
5
10
15
Answer explanation
Per risolvere l'equazione x/2 + 5 = 10, sottrai 5 da entrambi i lati per ottenere x/2 = 5. Moltiplica entrambi i lati per 2 per trovare x = 10. Quindi, la risposta corretta è 10.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è il valore di x in: 7 - 3x = 1
3
0
2
1
Answer explanation
Per risolvere l'equazione 7 - 3x = 1, sottrai 7 da entrambi i lati per ottenere -3x = -6. Dividendo entrambi i lati per -3, otteniamo x = 2. Quindi, il valore corretto di x è 2.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trova x: 6(x + 1) = 24
3
2
4
5
Answer explanation
Per risolvere l'equazione 6(x + 1) = 24, dividi entrambi i lati per 6, ottenendo x + 1 = 4. Sottraendo 1, trovi x = 3. Quindi, la risposta corretta è 3.
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