Pregatire EN9

Pregatire EN9

8th Grade

12 Qs

quiz-placeholder

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Pregatire EN9

Pregatire EN9

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Medium

Created by

anca maria

Used 16+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 A={x N, x1<3}A=\left\{x\ \in N,\ x-1<3\right\}  Cardinalul multimii A este...

2

5

4

6

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In triunghiul ABC se cunosc : masura unghiului A = 48 grade si masura unghiului B este egala cu 72 grade. Masura unghiului C exterior triunghiului este de....

120°120\degree

20°20\degree

100°100\degree

130°130\degree

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x24x+4x^2-4x+4  Descompunerea in factori primi a expresiei este.....

 (x+2)2\left(x+2\right)^2  

(x+2)(x-2)

 (x2)2\left(x-2\right)^2  

x (x-4 x+4)

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

In trapezul ABCD , lungimea liniei mijlocii este egala cu 18 cm si baza mica este egala cu 12 cm. Lungimea bazei mari este egala cu.....

22

24

20

6

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 a=4+22a=4+2\sqrt{2}   b=422b=4-2\sqrt{2}  Media aritmetica a numerelor a si b este egala cu....

4

8

1

 222\sqrt{2}  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Masurile unghiurilor unui triunghi sunt direct proportionale cu numerele 3, 6 si 9. Cel mai mare unghi al triunghiului are masura de.........grade.

60

120

45

90

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 Daca 2x+13=106Daca\ \frac{2x+1}{3}=\frac{10}{6}  , atunci x=....

5

3

2

1

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