disequazioni con i valori assoluti

Quiz
•
Mathematics
•
8th - 11th Grade
•
Hard
corso aggiornamento
Used 23+ times
FREE Resource
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
ax2+bx+c≤0
sia impossibile?
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Come si risolve ax2+bx+c ≥ 0 con a>0 ?
Risolvo l'equazione associata ax2+bx+c=0.
Se ha 2 sol. diverse: x<x1 v x>x2; se ha due sol uguali: per ogni x≠x1; se non ha sol.: per ogni x.
Risolvo l'equazione associata ax2+bx+c=0.
Se ha 2 sol. diverse: x1< x < x2; se ha due sol uguali: nessuna x; se non ha sol.: nessuna x.
Risolvo l'equazione associata ax2+bx+c=0.
Se ha 2 sol. diverse: x1≤ x ≤ x2; se ha due sol uguali: x = x1; se non ha sol.: nessuna x.
Risolvo l'equazione associata ax2+bx+c=0.
Se ha 2 sol. diverse: x≤x1 v x≥x2; se ha due sol uguali: per ogni x; se non ha sol.: per ogni x.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
date le condizioni in figura, quale delle seguenti è la soluzione:
Nessuna soluzione
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
È verificata
Sempre
Mai
Nel intervallo (0;1)
Per x>0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La disequazione ha soluzione
Sempre verificata
Mai verificata
Mai verificata tranne per x=0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
la disequazione è:
sempre verificata
verificata da
verificata da
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
la disequazione è:
sempre verificata
verificata da
verificata da
mai verificata
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