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ΔΥΝΑΜΕΙΣ ΚΑΙ ΤΕΤΡΑΓΩΝΙΚΗ ΡΙΖΑ (Β΄ΓΥΜΝΑΣΙΟΥ)

Authored by Ε. ΚΟΥΚΟΓΙΑ

Mathematics

8th Grade

Used 65+ times

ΔΥΝΑΜΕΙΣ ΚΑΙ ΤΕΤΡΑΓΩΝΙΚΗ ΡΙΖΑ (Β΄ΓΥΜΝΑΣΙΟΥ)
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 4=\sqrt{-4}=  

-2

16

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2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 36+9=6+3=9\sqrt{36+9}=6+3=9  

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3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (23)4=\left(2^3\right)^4=  

 272^7  

 2122^{12}  

 646^4  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (αβ)5=\left(α\cdotβ\right)^5=  

 α5β5α^5\cdotβ^5  

 5(αβ)5\left(α\cdotβ\right)  

 α5+β5α^5+β^5  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 α0=α^0=  

 00  

 11  

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6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 αβ=αβ , α0 και β0\sqrt{α\cdotβ}=\sqrt{α}\cdot\sqrt{β}\ ,\ α\ge0\ και\ β\ge0  

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7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 αβ=αβ, α0 και β0\sqrt{α-β}=\sqrt{α}-\sqrt{β},\ α\ge0\ και\ β\ge0  

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