Test Numere reale

Test Numere reale

7th Grade

6 Qs

quiz-placeholder

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Test Numere reale

Test Numere reale

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

DIANA VANDICI

Used 6+ times

FREE Resource

6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Calculand 16+81144(2)6 se obtine:Calculand\ \sqrt{16+\sqrt{81}}-\sqrt{144}-\left(-\sqrt{2}\right)^6\ se\ obtine:  


1

-1

-15

5

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Rezultatul calculului 

 320804524520180\frac{\sqrt{320}-\sqrt{80}}{\sqrt{45}}-\frac{\sqrt{245}-\sqrt{20}}{\sqrt{180}}  este:

 12-\frac{1}{2}  

1

 12\frac{1}{2}  

2

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 93sau 2619\sqrt{3}sau\ 2\sqrt{61}  

Care numar este mai mare?

 939\sqrt{3}  

 2612\sqrt{61}  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Calculand 

 (762532+342):3288\left(\frac{7}{6\sqrt{2}}-\frac{5}{3\sqrt{2}}+\frac{3}{4\sqrt{2}}\right):\frac{3}{\sqrt{288}}  se obtine:

-1

 12-\frac{1}{2}  

 12\frac{1}{2}  

1

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Daca 7x324=196144, atunci x este egal cu ...Daca\ \frac{7x}{\sqrt{324}}=\frac{\sqrt{196}}{\sqrt{144}},\ atunci\ x\ este\ egal\ cu\ ...  

1

-3

6

3

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Fie numerele reale a = 548 si b = 3192Fie\ numerele\ reale\ a\ =\ 5\sqrt{48}\ si\ b\ =\ 3\sqrt{192}  Media geometrica a numerelor a si b este egala cu:

 18318\sqrt{3}  

 18518\sqrt{5}  

 959\sqrt{5}  

 939\sqrt{3}