disequazioni di II grado
Authored by Ilaria Evangelisti
Mathematics
2nd Grade
Used 46+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La disequazione x2>0 è verificata per:
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual è l'intervallo risolutivo per la seguente disequazione: x2-4x-5>0 ?
x<-1 or x>5
x<-5 or x>1
-1<x<5
-5<x<1
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
x2 - 16 < 0
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
- 10x2 + 5x < 0
0<x<1/2
x<1/2
x<0 ∪ x>1/2
-1/2<x<0
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
3x - x2 > 0
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quale delle equazioni seguenti ha come soluzione x<-4 ∪ x>6?
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quale dei seguenti numeri non soddisfa la disequazione -3x²+8x+35>0?
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