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Test subiectul I Bacalaureat Tehnologic

Authored by Mihaela mate_mihaela@yahoo.com

Mathematics

12th Grade

Used 23+ times

Test subiectul I Bacalaureat Tehnologic
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19 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Într-o progresie aritmetică  (an)n1\left(a_n\right)_{n\ge1}   avem  a1=2a_1=2    şi  r=1r=-1   . Termenul al cincilea al progresiei este:

0

1

-1

-2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Se consideră funcţia  f:RRf:R\rightarrow R   , f(x)=x2+2x3f\left(x\right)=x^2+2x-3   . Expresia f(0)+f(f(0))   are valoarea:

0

-3

-18

-9

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 

Suma soluţiilor ecuaţiei  log12(x2x)=1\log_{12}\left(x^2-x\right)=1    este :   

4

1

-3

0

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Precizati modulul numarului complex z = 12 + 5i

13

12

5

17

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Cate submultimi de 4 elemente are multimea A = {1;2;3;4;5} ?

5

4

10

12

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Daca sin x + cos x = 1, calculati sin 2x

1

0

2\sqrt{2}

22\frac{\sqrt{2}}{2}

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Precizati panta dreptei 3x - y + 7 = 0

1

2

3

-2

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