
Equazioni di Secondo Grado
Quiz
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
Elisa Marcelli
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quali sono le soluzioni dell'equazione x^2 - 5x + 6 = 0?
x = 2 e x = 3
x = -2 e x = -3
x = 1 e x = 6
Nessuna soluzione
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è il valore del discriminante dell'equazione 2x^2 - 4x + 1 = 0?
8
4
-4
0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è la soluzione dell'equazione x^2 - 4 = 0?
x = 4
x = ±2
x = 0
Nessuna soluzione
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quali sono le soluzioni dell'equazione 3x^2 + 2x - 1 = 0?
x = -1, x = 1/3
x = 1, x = -1/3
x = 2, x = -1/2
Nessuna soluzione
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Per quale valore di k l'equazione kx^2 - 4x + 1 = 0 ha soluzioni reali e distinte?
k > 1
k < 0
k = 0
Sempre
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
L'equazione fratta (x^2 - 1)/(x - 1) = 0 ha soluzioni reali?
Sì, x = ±1
No, perché il denominatore annulla l'equazione
Sì, x = -1
No, perché il numeratore non si annulla mai
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se il discriminante di un'equazione è -5, cosa puoi dire delle soluzioni?
Sono reali e uguali
Sono reali e distinte
Sono complesse coniugate
Non ci sono soluzioni
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