Operaciones con polinomios

Operaciones con polinomios

9th Grade

10 Qs

quiz-placeholder

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Operaciones con polinomios

Operaciones con polinomios

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Nerea Núñez

Used 433+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (2x3  +2x2 +4x+1)+(4x2 5x+2)\left(2x^{3\ \ }+2x^{2\ }+4x+1\right)+\left(4x^{2\ }-5x+2\right)  

 7x3+6x2 x+37x^3+6x^{2\ }-x+3  

 2x3 +6x2 +9x 12x^{3\ }+6x^{2\ }+9x\ -1  

 2x3 +6x2x+32x^{3\ }+6x^2-x+3  

 2x3 +2x2 9x +32x^{3\ }+2x^{2\ }-9x\ +3  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 2 (4x2 5x +2)(2x3 +x2 +4x 4)2\ ·\left(4x^{2\ }-5x\ +2\right)-\left(2x^{3\ }+x^{2\ }+4x\ -4\right)  

 2x3 +9x2 6x-2x^{3\ }+9x^{2\ }-6x  

 2x3 +7x2 14 x +8-2x^{3\ }+7x^{2\ }-14\ x\ +8  

 2x3 +7x2 x +62x^{3\ }+7x^{2\ }-x\ +6  

 2x3 9x2 +6x +62x^{3\ }-9x^{2\ }+6x\ +6  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (2x3  )  (12x)  (4 x2)\left(-2x^{3\ \ }\right)\ ·\ \left(\frac{1}{2}x\right)\ ·\ \left(4\ x^2\right)  

 2x5-2x^5  

 4x6-4x^6  

 43x5\frac{4}{3}x^5  

 72x6\frac{7}{2}x^6  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 7x314x2 y\frac{7x^3}{14x^{2\ }y}  

 x2y\frac{x}{2y}  

 2x5y2x^5y  

 x2\frac{x}{2}  

 2xy1 2xy^{-1\ }  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Valor numérico  x3 2x2 3x +2   para   x=2x^{3\ }-2x^{2\ }-3x\ +2\ \ \ para\ \ \ x=2  

 1212  

 88  

 4-4  

 8-8  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Utiliza el lenguaje algebraico: "La suma de tres números consecutivos".

x + (x+1) + (x+2)

x + 3

(x + 1) + (x +2)

2x + 3

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Utiliza el lenguaje algebraico: " El doble de la suma de un número y su mitad".

2x +x22x\ +\frac{x}{2}

2x + y22x\ +\ \frac{y}{2}

2 (x + x2)2\ ·\ \left(x\ +\ \frac{x}{2}\right)

2 (x + y2)2\ ·\ \left(x\ +\ \frac{y}{2}\right)

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