8 кл. Квадратен корен

8 кл. Квадратен корен

8th Grade

8 Qs

quiz-placeholder

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8 кл. Квадратен корен

8 кл. Квадратен корен

Assessment

Quiz

Mathematics

8th Grade

Hard

Created by

Pavlin Staikov

Used 17+ times

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 52= ?\sqrt{5^2}=\ ?  

5

-5

 5\sqrt{5}  

 5-\sqrt{5}  

Не е дефинирано

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

5

-5

 5\sqrt{5}  

 5-\sqrt{5}  

Не е дефинирано

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

5

-5

 5\sqrt{5}  

 5-\sqrt{5}  

Не е дефинирано

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 52= ?\sqrt{-5^2}=\ ?  

5

-5

 5\sqrt{5}  

 5-\sqrt{5}  

Не е дефинирано

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

5

-5

 5\sqrt{5}  

 5-\sqrt{5}  

Не е дефинирано

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 25=?2\sqrt{5}=?  

5

 525\sqrt{2}  

 10\sqrt{10}  

 20\sqrt{20}  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Кое от следните НЕ е вярно?

5 < 335\ <\ 3\sqrt{3}

3>223>2\sqrt{2}

4\ >\ 3\sqrt{2}

32 > 233\sqrt{2}\ >\ 2\sqrt{3}

8.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Кое от следните НЕ е вярно?

22=2\frac{2}{\sqrt{2}}=\sqrt{2}

12=22\frac{1}{\sqrt{2}}=\frac{\sqrt{2}}{2}

132=3+2\frac{1}{\sqrt{3}-\sqrt{2}}=\sqrt{3}+\sqrt{2}

32=324\frac{3}{\sqrt{2}}=\frac{3\sqrt{2}}{4}