Polinomis

Polinomis

10th Grade

10 Qs

quiz-placeholder

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Polinomis

Polinomis

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Hard

Created by

FERRIOL SOTERAS

Used 3+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

El grau del polinomi P(x) = 5 x3-3x2+4x+7 és :

7

5

3

No en té

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Donat

 P(x)=3x3+2x+x2+1P\left(x\right)=3x^3+2x+x^2+1  

És un polinomi ordenat  però no complet.

És un polinomi no ordenat i incomplet.

És un polinomi de coeficients positius i ordenat.

És un polinomi complet però no ordenat

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Si

 P(x)=5x31  i  Q(x)=2x32x1 P\left(x\right)=5x^3-1\ \ i\ \ Q\left(x\right)=2x^3-2x-1\    llavors P(x) + Q(x)=llavors\ P\left(x\right)\ +\ Q\left(x\right)=  

 7x62x27x^6-2x-2  

 7x32x27x^3-2x-2  

 3x32x13x^3-2x-1  

 3x3+2x3x^3+2x  

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

El producte d'un polinomi de grau 3 per un altre de grau 3:

És un polinomi de grau 6

No pot ser mai un polinomi de grau més gran que 3

És un polinomi de grau 9

Depèn del terme independent

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

La divisió  (2x22x2):(x2)\left(2x^2-2x-2\right):\left(x-2\right)  

Es pot fer per Ruffini i el residu és 2

Es pot fer per Ruffini i el residu és 0

El resultat és un polinomi de grau 2

No es pot fer Ruffini

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

La identitat notable corresponent al polinomi  x^2-1  és:

 (x1)(x1)\left(x-1\right)\left(x-1\right)  

 (x1)2\left(x-1\right)^2  

 (x+1)(x1)\left(x+1\right)\left(x-1\right)  

Cap és certa

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El valor numèric del polinomi  P\left(x\right)=3x^2-5x+1  quan  x=2x=2  és:

 22  

 1-1  

 77  

 33  

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