Radicali

Radicali

10th Grade

9 Qs

quiz-placeholder

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Radicali

Radicali

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Hard

Created by

Ana-Maria Iacob

Used 100+ times

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Valoarea estimativa cea mai apropiata de numarul

 8\sqrt{8}  este:

3

2,8

2,7

4

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Pentru a rationaliza fractia

 2x3+x\frac{2-\sqrt{x}}{3+\sqrt{x}}  amplificam cu 

 2+x2+\sqrt{x}  

 x\sqrt{x}  

 3+x3+\sqrt{x}  

 3x3-\sqrt{x}  

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Radicalii de ordin 4 sunt

puteri rationale

numere pozitive nenule

puteri negative

numere irationale

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 813  + 1614 3215 8^{\frac{1}{3}}\ \ +\ 16^{\frac{1}{4}}-\ 32^{\frac{1}{5}}\   este

Rezultatul calculului

-2

3

2

 2\sqrt{2}  

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Pentru a inmulti doi radicali ei trebuie sa fie

neaparat de acelasi fel

extrasi din acelasi numar

de ordin 2

bine definiti

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Formula radicalilor compusi scoate de sub radical

o suma

o diferenta in modul

un numar prim

nicio varianta nu este corecta

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Partea intreaga a numarului 2561024\sqrt{\sqrt{\sqrt{\sqrt{\frac{256}{1024}}}}}  este

1

0

2

4

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