Potęgi i logarytmy - powtórzenie

Potęgi i logarytmy - powtórzenie

9th Grade

10 Qs

quiz-placeholder

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Potęgi i logarytmy - powtórzenie

Potęgi i logarytmy - powtórzenie

Assessment

Quiz

Mathematics

9th Grade

Medium

Created by

Kasia Charytanowicz

Used 42+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 8=\sqrt{8}=  

 222\sqrt{2}  

 44  

 22  

 424\sqrt{2}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Usuń niewymierność z mianownika  23\frac{2}{\sqrt{3}}  

 33\frac{\sqrt{3}}{3}  

 233\frac{2\sqrt{3}}{3}  

 236\frac{2\sqrt{3}}{6}  

 233\frac{2\sqrt{3}}{\sqrt{3}}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Oblicz  (17)(1+7)\left(1-\sqrt{7}\right)\left(1+\sqrt{7}\right)  

 1271-2\sqrt{7}  

 88  

 48-48  

 6-6  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Oblicz  (23)2\left(2-\sqrt{3}\right)^2  

 7+437+4\sqrt{3}  

 7437-4\sqrt{3}  

 11  

 77  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Zapisz w postaci potęgi liczby 2: 2322^3\cdot\sqrt{2}  

 232^3  

 23,5\sqrt{2}^{3,5}  

 222^2  

 23,52^{3,5}  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Usuń niewymierność z mianownika 152\frac{1}{\sqrt{5}-2}  

 52\sqrt{5}-2  

 5+2\sqrt{5}+2  

 5\sqrt{5}  

 1(52)2\frac{1}{\left(\sqrt{5}-2\right)^2}  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Oblicz log2 12\log_2\ \frac{1}{2}  

 12\frac{1}{2}  

 1-1  

 2-2  

 44  

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