Matematika 4. pisana provjera (ALGEBARSKI RAZLOMCI)

Matematika 4. pisana provjera (ALGEBARSKI RAZLOMCI)

9th Grade

11 Qs

quiz-placeholder

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Matematika 4. pisana provjera (ALGEBARSKI RAZLOMCI)

Matematika 4. pisana provjera (ALGEBARSKI RAZLOMCI)

Assessment

Quiz

Mathematics, Education

9th Grade

Practice Problem

Medium

Created by

Profesor Pašić

Used 11+ times

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

U sljedećem zadatku pojednostavi razlomak

 (y5+1+5y):y31255y25\left(\frac{y}{5}+1+\frac{5}{y}\right):\frac{y^3-125}{5y-25}  

i označi točan odgovor.

 5y5y  

 y5\frac{y}{5}  

 55  

 1y\frac{1}{y}  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Ako je 

 A=(3x2y)2A=\left(3x-2y\right)^2  

 B=5(3x2y)B=5\left(3x-2y\right)  

koliko je:

  AB\frac{A}{B}  

 3x2y5\frac{3x-2y}{5}  

 3x2y5\frac{3x-2y}{-5}  

 (3x2y)2\left(3x-2y\right)^2  

 15\frac{1}{5}  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Pojednostavi algebarski razlomak: aa+bba+b+2aa+bba+b\frac{a}{a+b}-\frac{b}{a+b}+\frac{2a}{a+b}-\frac{b}{a+b}   

 3aa+b\frac{3a}{a+b}  

 11  

 3a2ba+b\frac{3a-2b}{a+b}  

 aba+b\frac{a-b}{a+b}  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Ako je:

 A=7a\left(3m-4n\right)  
 B=8b(3m4n)B=8b\left(3m-4n\right)  
 C=3m4nC=3m-4n  
Koliko je onda:  A+BC\frac{A+B}{C}  

 7a8b(3m4n)7a-8b\left(3m-4n\right)  

 3m4n3m-4n  

 1ab3m4n\frac{-1ab}{3m-4n}  

 7a+8b7a+8b  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Pojednostavi algebarski razlomak:

 115x20x125x2\frac{1}{1-5x}-\frac{20x}{1-25x^2}  

 19x125x2\frac{-19x}{1-25x^2}  

 115x125x2\frac{1-15x}{1-25x^2}  

 21x15x\frac{21x}{1-5x^{ }}  

 124x\frac{1}{24x^{ }}  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Pojednostavi algebarski razlomak: 4a26ab+9b22a3b+3b2a9b24a2+6ab\frac{4a^2}{6ab+9b^2}-\frac{2a}{3b}+\frac{3b}{2a}-\frac{9b^2}{4a^2+6ab}   

 12a2b2+3b4a2+12b2\frac{-12a^2b^2+3b}{4a^2+12b^2}  

 a2b2+ba+b2\frac{a^2b^2+b}{a+b^2}  

 5ab2+b3a+12b2\frac{-5ab^2+b}{3a+12b^2}  

 3b2a3b+2a\frac{3b-2a}{3b+2a}  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Pojednostavi algebarski razlomak:
 3x+yx+y3\frac{3}{x+y}-\frac{x+y}{3}   

 00  

 3(x+y)29+(x+y)\frac{3\left(x+y\right)^2}{9+\left(x+y\right)}  

 9(x+y)23(x+y)\frac{9-\left(x+y\right)^2}{3\left(x+y\right)}  

 11  

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