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Pregatire EN 5

Authored by anca maria

Mathematics

8th Grade

Used 25+ times

Pregatire EN 5
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ariana afirma ca    2,(6)=832,\left(6\right)=\frac{8}{3}  . Afirmatia ei este

adevarata

falsa

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

 DBBC, BD=183 si 12din <BCD=<BDC.DB\perp BC,\ BD=18\sqrt{3\ }si\ \frac{1}{2}din\ <BCD=<BDC.  

In figura de mai sus, paralelogramul ABCD este schita unui teren, cu datele de mai sus. Aria ABCD=

324

 3243324\sqrt{3}  

 1623162\sqrt{3}  

162

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 A={xR, 3x<2}A=\left\{x\in R,\ -3\le x<2\right\}   B={xZ, 4x5}B=\left\{x\in Z^{\cdot},\ -4\le x\le5\right\}   AB=A\cap B=  

(-3; 2)

{-3; -2; -1; 1}

[-3, 2)

{-3;-2;-1;0;1}

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Doua cercuri tangente exterior au razele de 5 cm si 3 cm. Tangenta lor comuna TP intersecteaza linia centrelor in S. Daca O este centrul cercului mare, atunci OS este....

10

15

20

5

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Tatal si fiul au impreuna 52 de ani. In urma cu 8 ani, varsta tatalui era de 8 ori mai mare decat varsta fiului. In prezent, tatal are....ani.

40

36

38

42

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

In triunghiul ABC, BD=DC, iar masurile unghiurilor ACB si ABD sunt de 52 si 23 de grade. Masura unghiului BAC =.....grade.

52

75

53

105

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Fie f: RR, f(x)=ax+bFie\ f:\ R\longrightarrow R,\ f\left(x\right)=ax+b  Stiind ca A( -1;4) si B(2;-5) apartin Gf, atunci valorile reale ale numerelor a si b sunt....

-2; 4

-3 ; 1

-1 ; 2

1 ; 3

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