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test matematica clasa a XII RECAPITULARE pentru bac

Authored by Daniela Milea

Mathematics

12th Grade

Used 121+ times

test matematica clasa a XII RECAPITULARE pentru bac
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11 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculeaza suma

 S=1+21+22+23+24S=1+2^{-1}+2^{-2}+2^{-3}+2^{-4}  

 3116\frac{31}{16}  

 3316\frac{33}{16}  

 54\frac{5}{4}  

 12\frac{1}{2}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Determinați soluțiile întregi ale inecuației

 3x+121-3\le\frac{x+1}{2}\le1  

 7,6,5,4,3,2,1,0,1-7,-6,-5,-4,-3,-2,-1,0,1  

 9,8,7,6,5-9,-8,-7,-6,-5  

 0,1,2,3,4,5,60,1,2,3,4,5,6  

 multimea vida˘multimea\ vidă  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Determinați probabilitatea ca alegând un număr din mulțimea numerelor nenule de 0 cifră acesta să fie divizor al lui 10

12\frac{1}{2}

13\frac{1}{3}

27\frac{2}{7}

310\frac{3}{10}

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Aflați panta dreptei determinate de punctele A(1,-1) și B(-2,1)

25\frac{2}{5}

13\frac{1}{3}

23\frac{-2}{3}

0

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculați suma primilor 3 termeni ai unei progresii aritmetice dacă

 a1=5  ,    a3=9a_1=5\ \ ,\ \ \ \ a_3=9  

21

22

31

30

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Determinați coordonatele punctului de intersectie a graficului funcției

 f:RR  f(x)=3x4f:R\rightarrow R\ \ f\left(x\right)=3x-4  cu axa OX

A(3,4)

B(0.-4)

 C(43,0)C\left(\frac{4}{3},0\right)  

 D(1,43)D\left(1,\frac{4}{3}\right)  

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Să se determine x real dacă numerele x; 7 ; 3x+2 sunt termeni consecutivi ai unei progresii aritmetice

x=3

x=4

x=-3

x=-4

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