radicali1

radicali1

10th Grade

10 Qs

quiz-placeholder

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radicali1

radicali1

Assessment

Quiz

Mathematics

10th Grade

Medium

Created by

ANGELA LAZZATI

Used 1+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quale proprietà è corretta?

aa= 4a\sqrt{a\cdot a}=\ ^4\sqrt{a}

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

4a÷a=a^4\sqrt{a}\div\sqrt{a}=\sqrt{a}

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

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

5 è l'indice del radicale

5 è l'esponente del radicando

5 è il radicando

5 è la radice

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

2 è l'indice del radicale

2 è il radicando

2 è l'esponente del radicando

2 è la radice

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quale proprietà è scorretta?

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

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

a = 4a2\sqrt{a}\ =\ ^4\sqrt{a^2}

a= 4a\sqrt{\sqrt{a}}=\ ^4\sqrt{a}

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 5\sqrt{5}  non è un numero

reale

irrazionale

razionale

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 21=(3)(7)=37\sqrt{21}=\sqrt{\left(-3\right)\cdot\left(-7\right)}=\sqrt{-3}\cdot\sqrt{-7}  

Vero o falso?

Vero

Falso

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La radice  2\sqrt{-2}  

è un numero irrazionale

è un numero reale

non esiste

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