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teza 8 -s1

Authored by Cristina Rinjea

Mathematics

8th Grade

Used 4+ times

teza 8 -s1
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18 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Rezultatul calculului  60:30 \sqrt{60}:\sqrt{30}\   este....

 222\sqrt{2}  

2

 2\sqrt{2}  

 8\sqrt{8}  

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

MUltimea  A={xR2<x5 }A=\left\{x\in R\left|-2<x\le5\ \right|\right\}  scrisa sub forma de interval este egala cu...

[-2;5]

(-2;5)

(-2;5]

[-2;5)

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Forma descompusa a expresiei  4x2364x^2-36  este....

(2x+6)(2x+6)

(3x+2)(3x-2)

(2x-6)(2x+6)

(2x-6)(2x-6)

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Suma lungimilor tuturor muchiilor unui cub cu muchia de 8 cm este de ........cm

64

24

48

96

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

In cubul ABCDA'B'C'D', masura unghiului dintre BC si A'C' este egala cu........ °\degree  

90

45

60

30

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Piramida patrulatera regulata VABCD are toate muchiile egale .Unghiul dintre VA si BC este de ........ °\degree  

60

90

30

45

7.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

O prismă hexagonală regulată are muchia laterală egală cu muchia bazei de lungime egală cu 6 cm. Suma muchiilor laterale este....... cm.

36

72

108

18

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