a = 4 + 2 2 a=4+2\sqrt{2} a = 4 + 2 2 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z"> b = 4 − 2 2 b=4-2\sqrt{2} b = 4 − 2 2 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z"> Media aritmetica a numerelor a si b este egala cu....

2 2 2\sqrt{2} 2 2 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

Pregatire EN9 Quiz

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

2

5

4

6

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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....

$120\degree$

$20\degree$

$100\degree$

$130\degree$

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

$\left(x+2\right)^2$

(x+2)(x-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

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

4

8

1

$2\sqrt{2}$

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

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

5

3

2

1

8.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Fie trapezul ABCD, cu masura unghiului A = masura unghiului D = 90 grade. $AB\parallel\ CD$ , BC=CD=12 cm, masura unghiului B= 60 grade. Baza mare AB este egala cu.....cm.

20

18

16

24

10.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Fie prisma triunghiulara ABCDEF. Daca AB= 12 cm si AD= 6 cm, atunci distanta de la D la BC este......

$6\sqrt{3}$

$12\sqrt{3}$

6

12

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Pregatire EN9

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

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....

x2−4x+4x^2-4x+4x2−4x+4 Descompunerea in factori primi a expresiei este.....

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.....

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

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

Daca 2x+13=106Daca\ \frac{2x+1}{3}=\frac{10}{6}Daca 32x+1​=610​ , atunci x=....

Fie trapezul ABCD, cu masura unghiului A = masura unghiului D = 90 grade. AB∥ CDAB\parallel\ CDAB∥ CD , BC=CD=12 cm, masura unghiului B= 60 grade. Baza mare AB este egala cu.....cm.

Un obiect costa 1200 de lei. Dupa o scumpire cu 10%, urmata de o reducere cu 10%, pretul obiectului va fi de ....lei.

Fie prisma triunghiulara ABCDEF. Daca AB= 12 cm si AD= 6 cm, atunci distanta de la D la BC este......

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Popular Resources on Wayground

Discover more resources for Mathematics

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

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

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

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

Fie trapezul ABCD, cu masura unghiului A = masura unghiului D = 90 grade. $AB\parallel\ CD$ , BC=CD=12 cm, masura unghiului B= 60 grade. Baza mare AB este egala cu.....cm.