Prueba 3: Sumas y restas de polinomios

Prueba 3: Sumas y restas de polinomios

8th Grade

8 Qs

quiz-placeholder

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Prueba 3: Sumas y restas de polinomios

Prueba 3: Sumas y restas de polinomios

Assessment

Quiz

Mathematics

8th Grade

Medium

Created by

PABLO RAMOS

Used 36+ times

FREE Resource

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(3a + 4b) - (5a -2b)

-2a + 6b

2a + 2b

8a + 2b

-8a + 6b

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(5x4 + 3x2 + 4x) + (-2x4 + x2 + x)

3x4 + 4x2 +5x

-3x4 + 4x2 +5x

7x4 + 4x2 +5x

-7x4 + 4x2 +5x

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(3x - 5) + (6x - 7) - (-3x + 5)

12x - 7

12x -17

6x - 7

6x - 17

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(4a + 5by + 7b) - (8a + 3b + 2b2y)

12a + 5by + 4b - 2b2y

-4a + 5by - 10b - 2b2y

12a + 4b + 5by - 2b2y

-4a + 4b + 5by - 2b2y

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2x2 + 3x2 - x2

-6x2

5x2

-4x2

4x2

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 Si  :   A  =  9 x2 + 7x 2Si\ \ :\ \ \ A\ \ =\ \ 9\ x^2\ +\ 7x\ -2  
 B =  9x2 2x 2B\ =\ \ 9x^2\ -2x\ -2    
Hallar A - B

 5x  25x\ -\ 2  

 9x + 49x\ +\ 4  

 9x9x  

 18 x2 + 5x18\ x^2\ +\ 5x  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (18a2+a+7)+(2a2+a+33)\left(18a^2+a+7\right)+\left(2a^2+a+33\right)  

 20a2+2a+4020a^2+2a+40  

 20a2+a+4020a^2+a+40  

 60a360a^3  

 20a4+2a2+4020a^4+2a^2+40  

8.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (12y+6y25)(2y2+23y)\left(12y+6y^2-5\right)-\left(2y^2+2-3y\right)  

 4y2+15y74y^2+15y-7  

 10y24y210y^2-4y-2  

 8y2+9y38y^2+9y-3  

 33y833y-8