
Le equazioni di grado superiore al secondo
Quiz
•
Mathematics
•
9th - 11th Grade
•
Medium
Venera Samperi
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Data l'equazione f(x)=0, si può affermare che:
se f(5)=0 allora 5 è una radice dell'equazione
se f(0)=7 allora 7 è una radice dell'equazione
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Data la radice K di un'equazione f(x)=g(x), si può affermare che:
f(k)=0 e g(k)=0
f(k)=g(k)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Possiamo dire che le equazioni x+2=0 e (x+2)2=0 sono equivalenti?
No, perché la radice x=-2 ha molteplicità 1 nella prima e 2 nella seconda equazione
Si,perché hanno la stessa soluzione
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Indicare quali delle seguenti equazioni hanno radice x=3
3x2 -6=0
x3 -3x2-x+3=0
x4-10x2+9=0
4x2+11x=0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Stabilire quale delle seguenti equazioni ha soluzioni in ℕ (naturali) ?
3x2-6=0
x2-12x=0
x2+13x=0
4x2+11x=0
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Stabilire quali delle seguenti equazioni hanno soluzioni in ℤ (interi) ?
3x2-6=0
x2-12x=0
x2+13x=0
4x2+11x=0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Stabilire quale delle seguenti equazioni ha soluzioni irrazionali?
3x2-6=0
x2-12x=0
x2+13x=0
4x2+11x=0
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