
Operații cu intervale de numere reale. Inecuații
Authored by Daniels Jipescu
Mathematics
8th Grade
Used 1+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Rezolvă în mulțimea R inecuațiile și bifează răspunsul corect:
x+5 > 0
[-5; + ∞)
(-∞; 5)
[5; + ∞)
(-5; + ∞)
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Rezolvă în mulțimea R inecuația și bifează răspunsul corect:
-15 + x ≤ 0
( -∞; 15)
( -∞; 15]
( -15; 15]
( -15; +∞)
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Rezolvă în mulțimea R inecuația și bifează răspunsul corect:
-2x + 3 ≤ 0
( - ∞; 3]
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
( - 7; 7 )
[-7; 7]
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
[ -2; 6]
(2; 6]
[ 2; 6]
[ 2; 6)
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
[ 2; 3 )
[ 2; 3 ]
( 2; 3 ]
( 2; 3 )
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
( -∞; -2]
( -2; +∞ )
( -∞; 2 )
( -∞; -2)
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