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Polinomi

Authored by Danilo Ilicic

Mathematics

7th - 9th Grade

Used 218+ times

Polinomi
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12 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 x4x5=x^4\cdot x^5=  

 x45x^{45}  

 x9x^9  

 x20x^{20}  

 x45x^{4^5}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 a24(a3)2=\frac{a^{24}}{\left(a^3\right)^2}=  

 a19a^{19}  

 a18a^{18}  

 a15a^{15}  

 a8a^8  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 aa8a9=\frac{a\cdot a^8}{a^9}=  

1

 1a\frac{1}{a}  

 aa  

 a2a^2  

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 3x(2x2+4x)=-3x\left(2x^2+4x\right)=  

 5x212x-5x^2-12x  

 6x3+12x2-6x^3+12x^2  

 6x312x2-6x^3-12x^2  

 6x212x-6x^2-12x  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Среди полином: (3а4а3)(5+2а2)=\left(3а-4а^3\right)\left(-5+2а^2\right)=  

 15a8a5-15a-8a^5  

 8a5+26a315a-8a^5+26a^3-15a  

 15a14a3+8a5-15a-14a^3+8a^5  

 8a514a315a8a^5-14a^3-15a  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Ако је:  P(x)=2x35x2+4, Q(x)=x2+4x6. P\left(x\right)=2x^3-5x^2+4,\ Q\left(x\right)=-x^2+4x-6.\  

Онда је  P(x)Q(x)=P\left(x\right)-Q\left(x\right)=  

 2x36x2+4x62x^3-6x^2+4x-6  

 2x36x2+4x22x^3-6x^2+4x-2  

 2x3+4x2+4x62x^3+4x^2+4x-6  

 2x34x24x+102x^3-4x^2-4x+10  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Ako je P(x)=2a25a+4P\left(x\right)=2a^2-5a+4 , a  Q(x)=3+aQ\left(x\right)=-3+a .  Онда је  P(x)+2Q(x)=P\left(x\right)+2\cdot Q\left(x\right)=  

 2a24a+12a^2-4a+1  

 2a27a+22a^2-7a+2  

 2a23a22a^2-3a-2  

 2a28a22a^2-8a-2  

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