A gyökvonás 2

A gyökvonás 2

10th Grade

22 Qs

quiz-placeholder

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A gyökvonás 2

A gyökvonás 2

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Hard

Created by

Mariann Ágoston

Used 17+ times

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22 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Mivel  18+850\sqrt{18}+\sqrt{8}-\sqrt{50}  egyenlő ?

0

 9×2+4×225×2\sqrt{9\times2}+\sqrt{4\times2}-\sqrt{25\times2}  

 32+22523\sqrt{2}+2\sqrt{2}-5\sqrt{2}  

 18+850\sqrt{18+8-50}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Melyik szám a nagyobb? 35  vagy 282\sqrt{3}\sqrt{5}\ \ vagy\ \frac{\sqrt{28}}{\sqrt{2}}  

 35 \sqrt{3}\sqrt{5}\   

 282\frac{\sqrt{28}}{\sqrt{2}}  

egyenlő

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 27  vagy  33   2\sqrt{7}\ \ vagy\ \ 3\sqrt{3}\ \ \   

Melyik szám a nagyobb?


 272\sqrt{7}  

 333\sqrt{3}  

egyenlő

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 27\frac{2}{\sqrt{7}}  

Gyöktelenítsd a nevezőt!Mi lesz az eredmény?

 277\frac{2\sqrt{7}}{7}  

 272\sqrt{7}  

 277\frac{2\sqrt{7}}{\sqrt{7}}  

2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 x+3+x5+6\sqrt{x+3}+\sqrt{x-5}+6  

Mi az értelmezési tartomány?

 x3x\ge-3  

 x+5x\ge+5  

 y6y\ge6  

Az ÉT  :ϕ:\phi  

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 x2 ; xR\sqrt{x^2}\ ;\ x\in R  

Mivel egyenlő?

x

 x\left|x\right|  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mi az egyszerűbb alakja?
 a3ab2 (A vaˊltozoˊk lehetseˊges eˊrteˊkeineˊl.)\sqrt{a^3}\sqrt{ab^2}\ \left(A\ változók\ lehetséges\ értékeinél.\right)  

 a2ba^2b  

 a4b2a^4b^2  

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