
Disequazioni Frazionarie e Letterali
Quiz
•
Mathematics
•
9th Grade
•
Hard
Michele Massari
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Risolvere la disequazione: \( \frac{x-2}{x+3} < 0 \)
(-3, 2)
(0, 2)
(-3, 0)
(-5, -3)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è il dominio della funzione \( f(x) = \frac{1}{x-1} \)?
D = R \ {1}
D = R
D = R \ {0}
D = R \ {1, 2}
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Semplifica l'espressione: \( \frac{2x}{4x^2} \)
rac{1}{x}
rac{1}{4x}
\frac{1}{2x}
rac{2}{4x^2}
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rappresenta graficamente la soluzione della disequazione: \( x^2 - 4 < 0 \)
(2, 3)
(-3, -1)
[-2, 2]
(-2, 2)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Applica la proprietà delle disuguaglianze: Se \( a < b \) e \( c > 0 \), allora cosa si può dire di \( ac \) e \( bc \)?
ac ≤ bc
ac = bc
ac > bc
ac < bc
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Risolvere la disequazione: \( \frac{3x+1}{x-2} \geq 0 \)
x \in \left(-\frac{1}{3}, 2\right) \cup \left(2, +\infty\right)
x \in \left(-\infty, -1\right) \cup \left(-\frac{1}{3}, 2\right)
x \in \left(-\infty, 2\right)
x \in \left(-\infty, -\frac{1}{3}\right] \cup (2, +\infty)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identifica il dominio della funzione \( g(x) = \sqrt{x-5} \)
(−∞, 5)
[0, 5)
[5, +∞)
(5, 10)
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