Algebarski izrazi

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9th Grade

14 Qs

quiz-placeholder

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Algebarski izrazi

Algebarski izrazi

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

zrinka korbar

Used 14+ times

FREE Resource

14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt


Čemu je jednak izraz?

 (2x3y)(2x+3y)\left(2x-3y\right)\left(2x+3y\right)  

 2x23y22x^2-3y^2  

 4x29y24x^2-9y^2  

 (2x3y)2\left(2x-3y\right)^2  

 4x212xy+9y24x^2-12xy+9y^2  

2.

MULTIPLE SELECT QUESTION

2 mins • 1 pt


Čemu je jednak izraz? (ima više točnih odgovora)

 (cd)2\left(c-d\right)^2  

 (cd)(cd)\left(c-d\right)\left(c-d\right)  

 c2d2c^2-d^2  

 c22cd+d2c^2-2cd+d^2  

 c2+d2c^2+d^2  

 c2cd+d2c^2-cd+d^2  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt


Čemu je jednak izraz?

 125m3+27n3125m^3+27n^3  

 (5m+3n)3\left(5m+3n\right)^3  

 (5m+3n)(25m2+9n2)\left(5m+3n\right)\left(25m^2+9n^2\right)  

 (5m+3n)(25m215mn+9n2)\left(5m+3n\right)\left(25m^2-15mn+9n^2\right)  

 (5m+3n)(25m2+15mn+9n2)\left(5m+3n\right)\left(25m^2+15mn+9n^2\right)  

 (5m+3n)(25m29n2)\left(5m+3n\right)\left(25m^2-9n^2\right)  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Koji izraz treba pisati unutar zagradi?

 81p249q2=(...)(9p7q)81p^2-49q^2=\left(...\right)\left(9p-7q\right)  

 9p+7q9p+7q  

 9p7q9p-7q  

 7q9p7q-9p  

 81p49q81p-49q  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Koji izraz treba pisati unutar zagrade?

 8x31125=(2x15)(...)8x^3-\frac{1}{125}=\left(2x-\frac{1}{5}\right)\left(...\right)  

 4x2+45x+1254x^2+\frac{4}{5}x+\frac{1}{25}  

 4x2+25x+1254x^2+\frac{2}{5}x+\frac{1}{25}  

 4x225x+1254x^2-\frac{2}{5}x+\frac{1}{25}  

 4x245x+1254x^2-\frac{4}{5}x+\frac{1}{25}  

6.

MULTIPLE SELECT QUESTION

2 mins • 1 pt


Čemu je jednak izraz? (ima više točnih odgovora)

 (b+3)3\left(b+3\right)^3  

 b3+8b^3+8  

 (b+3)(b2+6b+9)\left(b+3\right)\left(b^2+6b+9\right)  

 (b+3)(b+3)(b+3)\left(b+3\right)\left(b+3\right)\left(b+3\right)  

 (b+3)(b2+3b+9)\left(b+3\right)\left(b^2+3b+9\right)  

 b3+9b2+27b+27b^3+9b^2+27b+27  

7.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Čemu je jednak izraz? (ima više točnih odgovora)

 (a+2b)2\left(a+2b\right)^2  

 a2+4b2a^2+4b^2  

 (a+2b)(a+2b)\left(a+2b\right)\left(a+2b\right)  

 (a2b)2\left(-a-2b\right)^2  

 a2+2ab+b2a^2+2ab+b^2  

 a2+4ab+4b2a^2+4ab+4b^2  

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