Intervalul
este:Test (intervale și inecuații) - clasa a VIII-a -

Quiz
•
Mathematics
•
8th Grade
•
Medium
Lidia Parasca
Used 53+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Interval nemărginit la dreapta și deschis la stanga
Interval mărginit
Interval nemărginit la stânga și închis la dreapta
Interval nemărginit la stânga și deschis la dreapta
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Rezolvați în R inecuația:
2(x - 3) < 5x - 4
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Rezolvați în R inecuația următoare:
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
0,75 puncte
Rezolvând ecuația 7x + 28≥ -35 obținem:
x≥9
x≥-9
x≥7
x≤-9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0,5 puncte
Propoziția „ 5 ∈ (−5; 5) '' este
Adevărată
Falsă
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0,5 puncte
Mulțimea A = {x∈R / −6 ≤ x ≤ 5} se scrie ca interval...
(− 6; 5)
[− 6; 5)
(− 6; 5]
[− 6; 5]
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0,5 puncte
Mulțimea
B = {x∈R / −8 ≤ x + 3 < 5} se scrie ca interval...
(− 11; 5)
[− 11; 2)
(− 8; 2]
[− 11; 5]
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