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Q recapitulare 8 sem.I

Authored by anca maria

Mathematics

8th Grade

Used 18+ times

Q recapitulare 8 sem.I
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 A={x R, x<2}A=\left\{x\ \in R,\ x<2\right\}  A=.....

 (; 2)\left(-\infty;\ 2\right)  

(-2 ; 2)

 (2; +)\left(2;\ +\infty\right)  

[-2; 2]

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media geometrica a numerelor

 743 si  7+437-4\sqrt{3}\ si\ \ 7+4\sqrt{3}  este.....

12

5

3

1

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Descompunerea in factori a expresiei

 x27x+6x^2-7x+6  este....

(x -1)(x+6)

(x-1)(x-6)

(x+1)(x-6)

(x+1)(x+6)

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Lungimea laturii unui romb este egala cu 20 cm, iar una din diagonale este egala cu 24 cm. Aria rombului este egala cu....   cm2cm^2  

360

164

384

252

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

O carte costa 10 lei. Micsorand pretul cu 5%, aceasta va costa ...lei.

9

9,5

3,5

4,25

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Un triunghi echilateral si un patrat au fiecare perimetrul de 12 cm. Raportul dintre latura triunghiului si cea a patratului este egal cu...

44\frac{4}{4}

34\frac{3}{4}

43\frac{4}{3}

23\frac{2}{3}

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 618+12811326\sqrt{18}+12\sqrt{8}-11\sqrt{32}  

Rezultatul calculului este....

 626\sqrt{2}  

 222\sqrt{2}  

 22-2\sqrt{2}  

 62-6\sqrt{2}  

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