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Quiz de Matematică

Authored by Mioara Ionita

Mathematics

12th Grade

Quiz de Matematică
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care este domeniul de definiție al funcției f(x) = √(x − 2)?

[2, ∞)

(−∞, 2)

(−∞, ∞)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cât este sin(30°)?

0,5

√3/2

1

1/√2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Câte soluții reale are ecuația x² − 4x + 4 = 0?

2

0

1

Infinit

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Funcția f(x) = x³ − 3x este:

pară

impară

nici pară, nici impară

constantă

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care este valoarea maximă a funcției f(x) = −x² + 4x + 5?

5

9

−∞

4

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