matematica 2do. basico

matematica 2do. basico

8th Grade

10 Qs

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matematica 2do. basico

matematica 2do. basico

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

Created by

Silvia Oliva

Used 43+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 Resolver  a4  6a3x +9a2x2 8  por 3bx3a^{4\ }-\ 6a^{3^{ }}x\ +9a^2x^2\ -8\ \ por\ 3bx^{3^{ }}  

 3abx3 18abx4+27a2x524x33abx^3\ -18abx^4+27a^2x^5-24x^3  

 3a4bx8abx4+27a2bx24bx3a^4bx^{ }-8abx^4+27a^2bx^{ }-24bx^{ }  

 3a4bx3 18a3bx4+27a2bx524bx33a^4bx^3\ -18a^3bx^4+27a^2bx^5-24bx^3  

 3a4bx3 +18a3bx27a2bx524bx3a^4bx^3\ +18a^3bx^{ }-27a^2bx^5-24bx^{ }  

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 x2+1 +x  por x 1x^2+1\ +x\ \ por\ -x\ -1  Resolver

 x4 x22x 1x^4\ -x^2-2x\ -1  

 x4 +x2+2x +1x^4\ +x^2+2x\ +1  

 x3 +x+2x +1x^3\ +x^{ }+2x\ +1  

 x4 +x3+2x2 +1x^4\ +x^3+2x^2\ +1  

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Resuelve  4x810x65x4 entre   2x34x^8-10x^6-5x^4\ entre\ \ \ 2x^3  

 2x55x2522x^5-5x^2-\frac{5}{2}  

 2x45x252x2x^4-5x^2-\frac{5}{2}x  

 2x55x35x2x^5-5x^3-5x  

 2x55x352x2x^5-5x^3-\frac{5}{2}x  

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 x46x3+8x27x+5  por 3x3x^4-6x^3+8x^2-7x+5\ \ por\ -3x^3  Resuelve

 3x7+6x58x4+21x215x3-3x^7+6x^5-8x^4+21x^2-15x^3   

 3x7+18x58x4+21x215x3-3x^7+18x^5-8x^4+21x^2-15x^3  

 3x7+18x624x5+21x415x3-3x^7+18x^6-24x^5+21x^4-15x^3  

 3x7+18x324x5+21x415x-3x^7+18x^3-24x^5+21x^4-15x^{ }  

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 14a3b4   entre  2ab214a^3b^4\ \ \ entre\ \ -2ab^2  Resolver

 7a2b27a^2b^2  

 7ab2-7ab^2  

 7ab7ab  

 7a2b2-7a^2b^2  

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

resuelve el producto notable  (x23)(x2+3)\left(x^2-3\right)\left(x^2+3\right)   

 x26x^2-6  

 x49x^4-9  

 x46x^4-6  

 x29x^2-9  

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 resuelve el producto notable  (x +4)2resuelve\ el\ producto\ notable\ \ \left(x\ +4\right)^2 

 x2+8x+16x^2+8x+16  

 x28x 16x^2-8x\ -16  

 x2+8x16x^2+8x-16  

 x2+8x 8x^2+8x\ -8  

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