Quiz simulazione esame
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Alessandra Marzorati
Used 10+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Individua la soluzione comune alle seguenti equazioni:
2x2 - 7x + 6 = 0 e 3x2 - 6x = 0
-2
0
3/2
2
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Il seguente schema mostra il numero di iscritti ad un club sportivo:
......................................Maschi......Femmine
Minori 18 anni .........20............... 18
Maggiori 18 anni..... 15............... 22
Se viene scelta a caso una delle persone iscritte al club, qual'è la probabilità che sia maschio?
20/35
1/2
35/40
35/75
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
E' stata fatta un'indagine sul tempo trascorso da 200 studenti su un mezzo di trasporto per arrivare a scuola, questi sono i risultati:
Indicare il tempo medio trascorso su un mezzo da tutti gli studenti
Fra i 10 e i 15 minuti
meno di 20 minuti
fra i 20 e i 30 minuti
almeno 30 minuti
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Nel gioco della roulette ci sono 36 numeri più lo 0. La probabilità che esca un numero minore o uguale a 8 oppure un multiplo di 9 è:
1/3
13/36
12/37
13/37
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Considera la seguente frazione:
12 + 10x
6x - 4
Per quale valore di x la frazione si annulla?
x = 4/6
x = - 6/5
x = 3/2
x = 6/5
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Data la seguente frazione:
3x - 4
5x + 10
Dire per quale valore di x la frazione è impossibile:
x = 2
x = - 2
x = 1/2
x = - 1/2
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Indica per quale valore di x sono verificate entrambe le equazioni:
2x2 - x = 1 e 2x2 + x = 0
x = -1/2
x = 0
x = 1/2
x = 1
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