Esercitazione_disequazioni a due variabili e dominio funzioni a

Quiz
•
Mathematics
•
10th Grade
•
Hard
Giovanni Padovan
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Risolvere il seguente sistema di disequazioni: 2x + 3y < 6 e x - y > 2
La soluzione è la regione sopra la retta y = (6 - 2x)/3 e sotto la retta y = x - 2.
La soluzione è la regione sopra la retta y = (6 - 2x)/3 e sotto la retta y = x + 2.
La soluzione è la regione sotto la retta y = (6 - 2x)/3 e sopra la retta y = x + 2.
La soluzione è la regione sotto la retta y = (6 - 2x)/3 e sopra la retta y = x - 2.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determinare il dominio della funzione f(x, y) = sqrt(x^2 - y^2)
x < |y|
x > |y|
x <= |y|
x >= |y|
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Risolvere il seguente sistema di disequazioni: 3x - 2y > 4 e 2x + y < 5
Regione ombreggiata sopra entrambe le rette
Regione ombreggiata tra entrambe le rette
Regione ombreggiata sotto entrambe le rette
Nessuna regione ombreggiata
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determinare il dominio della funzione f(x, y) = 1 / (x - y)
x != y
x < y
x > y
x = y
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Risolvere il seguente sistema di disequazioni: x + y > 3 e 2x - 3y < 1
La regione al di fuori di entrambe le rette
La regione tra le rette
La regione sotto entrambe le rette
La regione sopra entrambe le rette
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