Testare inițială clasa a VIII-a

Assessment

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STEMATE Ionică

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Mathematics

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7th - 8th Grade

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12 plays

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Hard

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9 questions

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1.

Multiple Choice

15 mins

1 pt

Media aritmetică a numerelor $\sqrt{12}$ și $\sqrt{48}$ este:

$6\sqrt{3}$

$3\sqrt{3}$

$\sqrt{60}$

$\sqrt{30}$

2.

Multiple Choice

15 mins

1 pt

$\sqrt{25}-\sqrt{49}$ Rezultatul calculului

2

$\sqrt{24}$

$-\sqrt{24}$

-2

3.

Multiple Choice

15 mins

1 pt

$x^2-10x^{ }+25$ descompus în factori este:

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

$\left(x-5\right)\left(x+5\right)$

$\left(x-2\right)\left(x-5\right)$

$\left(x-5\right)^2$

4.

Multiple Choice

15 mins

1 pt

$Rezultatul\ calculului\ \left(-0,7+1,2\right):\left(-0,2\right)\ este:$

2,5

- 2,5

- $\frac{2}{5}$

$\frac{20}{15}$

5.

Multiple Choice

15 mins

1 pt

Lungimea liniei mijlocii a unui trapez cu lungimile bazelor de 14 cm, respectiv 6 cm este:

10 cm

20 cm

8 cm

4 cm

6.

Multiple Choice

15 mins

1 pt

Perimetrul unui dreptunghi cu lungimea de 12 cm și lățimea egală cu 2/3 din lungime este:

60 cm

8 cm

40 cm

20 cm

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