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Mulțimea numerelor reale

Authored by ana lazar

Mathematics

10th Grade

CCSS covered

Used 960+ times

Mulțimea numerelor reale
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Cum se notează mulțimea numerelor reale?

N

Z

R

Q

2.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Ce fel de număr este ? 5\sqrt{5}  

natural

întreg

irațional

rațional

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Care proprietate este adevărată?

a+b=a+b\sqrt{a}+\sqrt{b}=\sqrt{a+b}

ab=ab\sqrt{a}\cdot\sqrt{b}=\sqrt{a\cdot b}

a2=a\sqrt{a^2}=-a

Tags

CCSS.HSN.RN.A.2

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Care relație este adevărată?

NZQRN\subset Z\subset Q\subset R

IQ=RI\cap Q=R

RQ=ZR-Q=Z

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Selectați varianta corectă de răspuns

169=13\sqrt{169}=13

125=15\sqrt{125}=15

72=49\sqrt{7^2}=49

32=18-3\sqrt{2}=\sqrt{-18}

Tags

CCSS.8.EE.A.2

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 1=\sqrt{1}=  

 11  

nu există

1,0001

Tags

CCSS.8.EE.A.2

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 200  \sqrt{200\ }\   este un număr

întreg pozitiv

irațional

întreg negativ

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