
17.03. 8.raz Q2 Matematika kviz
Authored by Amer Bralic
Mathematics
8th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ako je A={1,2,3} i B={3,4,5}, onda je A∪B:
Answer explanation
Unija A i B uključuje sve elemente iz oba skupa, bez ponavljanja, dakle A∪B = {1,2,3,4,5}.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ako je A={2,5} i B={1,2}, onda je A∩B:
Answer explanation
Presjek A i B uključuje samo elemente koji su u oba skupa istovremeno, dakle A∩B = {2}.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na interval [0,5) spada:
Answer explanation
Na interval [0,5) spada broj 4, jer 5 nije uključeno.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ako −∞<x≤2, u intervalnoj notaciji pišemo:
Answer explanation
Interval (−∞,2] označava sve brojeve manje ili jednake od 2.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Presjek intervala [1,3] i (3,4] je:
Answer explanation
Presjek intervala [1,3] i (3,4] je prazan skup, jer broj 3 nije zajednički.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ako je x iz intervala (−∞,3), onda vrijedi nejednakost x<_____.
Answer explanation
Interval (−∞,3) označava sve brojeve manje od 3.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ako je A∪B={1,2,3} i A={1}, tada je B _____?
Answer explanation
Ako je A∪B={1,2,3} i A={1}, tada B mora sadržavati {2,3}.
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