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I5 14.3.2025. Flashcards | StudBud

Explore/I5 14.3.2025.

Cijena televizora je bila 100e, zatim se povecala za 20%, pa smanjila za 20%. Koliko je nova cijena televizora?

A=\left\{-3,-2,5,10\right\}B=\left\{-4,-2,6,10\right\} . Odredi A∪B

I5 14.3.2025.

11 terms·StudBud Administration·25 plays

Test your knowledge on mathematical expressions and set operations

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Questions 11

Answers

1
A=\left\{-3,-2,5,10\right\}B=\left\{-4,-2,6,10\right\} . Odredi A∪B
{5, 6, 10}
{-4, -3, -2, 5, 6, 10}
{-4, -2, 6, 10}
{-2, 10}
2
Cijena televizora je bila 100e, zatim se povecala za 20%, pa smanjila za 20%. Koliko je nova cijena televizora?
104
96
94
100
3
A=\left\{-3,-2,5,10\right\}B=\left\{-4,-2,6,10\right\} . Odredi A∩B
{5, 6, 10}
{-4, -3, -2, 5, 6, 10}
{-2, 10}
{-4, -2, 6, 10}
4
Svaki prirodan broj je cijeli
False
True
5
(x-y)^2=x^2-2xy+y^2
True
False
6
(x-y)^2=(x-y)(x+y)
False
True
7
(x+y)^2=x^2+xy+y^2
True
False
8
NZS za (x-4)^2 i (x-2)^2\cdot(x+2)
(x^2-4)^2(x+2)
(x^2-4)^2
(x^2-4)^2(x-2)(x+2)
(x^2-4)^2(x-2)
9
Svaki cijeli broj je prirodan
True
False
10
Da li je polinom x^2-1 djeljiv sa x-1
True
False
11
2\cdot4+3\cdot\left(1+3\right)
20
44