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Prova verifica sui radicali

Authored by Fabio Fici

Mathematics

2nd Grade

Used 11+ times

Prova verifica sui radicali
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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 53=2\sqrt{5}-\sqrt{3}=\sqrt{2}  

Vero

Falso

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (5)2=25\left(\sqrt{5}\right)^2=2\sqrt{5}  

Vero

Falso

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La radice cubica di -27 è uguale a -3

Vero

Falso

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Applicando la proprietà invariantiva cerca la soluzione corretta del seguente radicale semplificato

 14x2y4z10\sqrt{\frac{1}{4}x^2y^4z^{10}}  

 2xy2z52xy^2z^5  

 12xy2z5\frac{1}{2}xy^2z^5  

 4xy2z54xy^2z^5  

 14xy2z5\frac{1}{4}xy^2z^5  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Esegui le seguenti operazioni con i radicali e individua il calcolo corretto

 (a2b3c4)2÷(abc)3\left(\sqrt{a^2b^3c^4}\right)^2\div\left(\sqrt{abc}\right)^3  

 abc\sqrt{abc}  

 a2b3c5\sqrt{a^2b^3c^5}  

 ab3c5\sqrt{a^{ }b^3c^5}  

 a2bc5\sqrt{a^2b^{ }c^5}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Individua il valore esatto della seguente espressione irrazionale

 12287+4515125\frac{1}{2}\sqrt{28}-\sqrt{7}+\sqrt{45}-\frac{1}{5}\sqrt{125}  

 27+52\sqrt{7}+\sqrt{5}  

 2752\sqrt{7}-\sqrt{5}  

 725\sqrt{7}-2\sqrt{5}  

 7+25\sqrt{7}+2\sqrt{5}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Individua il valore del seguente radicale quadratico doppio

 289+233\sqrt{\frac{28}{9}+\frac{2}{3}\sqrt{3}}  

 313\sqrt{3}-\frac{1}{3}  

 3+13\sqrt{3}+\frac{1}{3}  

 323\sqrt{3}-\frac{2}{3}  

 3+23\sqrt{3}+\frac{2}{3}  

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