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Matematika DBH4

Authored by dbh ordezko2

Mathematics

4th Grade

Used 9+ times

Matematika DBH4
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8 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1.- Zenbat soluzio izango ditu ekuazio honek?

 x2+6x+7=0-x^2+6x+7=0  

0

1

2

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

2.- Sistema honetako lehenengo ekuazioan 'x' bakantzen badugu, zein da bere balioa? 


 2x+y=32x+y=3 

 3x7y=303x-7y=30  

 3+y2\frac{−3+y}{2}  

 (3+y)2\frac{(3+y)}{2}  

 3y2\frac{3-y}{2}  

 3y2\frac{3-y}{-2}  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

3.- Sistema ebatziz, 'y'-ren balioa da... 

 2x+y=32x+y=3 
 3x7y=303x-7y=30   


3

-3

5

7

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

4.- Zenbat dezimetro karratu dira 5 kilometro karratu?  
 5km2=....dm25km^2=....dm^2  


 51045·10^4  

 51065·10^6  

 51085·10^{-8}  

 51085·10^8  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

5.- Adierazpen hau sinplifikatzen badugu, zein da emaitza?

 2421531816325220\frac{24^2·15^3·18}{16^3·25^2·20}  


 235437\frac{2^3·5^4}{3^7}  

 372354\frac{3^7}{2^3·5^4}  

 372354\frac{3^7·2^3}{5^4}  

 375423\frac{3^7·5^4}{2^3}  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

6.- Zeintzuk dira ekuazio honen soluzioak? 
 x410x2+9=0x^4-10x^2+9=0  

 x1=0 , x2=1, x3=1x_1=0\ ,\ x_2=1,\ x_3=-1  

 x1=3 , x2=3, x3=1, x4=1x_1=3\ ,\ x_2=-3,\ x_3=-1,\ x_4=1  

 x1=9 , x2=1, x_1=9\ ,\ x_2=1,\   

 x1=1 , x2=1, x3=5, x4=5x_1=-1\ ,\ x_2=1,\ x_3=5,\ x_4=-5  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

7.- Zein adierazpen da honen baliokidea?
 (2x23)2\left(2x^2-3\right)^2  

 4x26x+94x^2-6x+9  

 4x494x^4-9  

 4x4+12x2+94x^4+12x^2+9  

 4x412x2+94x^4-12x^2+9  

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