examen 9no

examen 9no

8th Grade

10 Qs

quiz-placeholder

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examen 9no

examen 9no

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Medium

Created by

Jaime Aguilera

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Elija la respuesta que corresponde a la suma de los siguientes polinomios 2a3 + 7a2b - 6ab2 + 5ab3 - 4a2b + 12ab2

2a^3 + 3a^2b + 12ab^2 + 5ab^3
2a^3 + 4a^2b + 5ab^2 + 5ab^3
2a^3 + 7a^2b - 6ab^2 + 5ab^3
2a^3 + 3a^2b + 6ab^2 + 5ab^3

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Elije la opción que corresponde a la respuesta correcta de las suma de los polinomios -7x5 + 8x3y - 12xy2 +25x5 +5xy2 - 6x3y

18x^5 + 2x^3y - 7xy^2
20x^5 + 6x^3y - 10xy^2
15x^5 + 4x^3y - 8xy^2
10x^5 + 3x^3y - 5xy^2

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Elija la opción que corresponde al resultado de la multiplicación de polinomios

(5x3 + 3x2y - 8xy2) (5x3y)

20x^6y + 10x^5y^2 - 30x^4y^3
25x^5y + 15x^4y^2 - 40x^3y^3
25x^6y + 15x^5y^2 - 40x^4y^3
30x^6y + 5x^5y^2 - 50x^4y^3

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Elije la opción que corresponde al resultado de la multiplicación de polinomios

(a6 + a4 - a2b) (3ab3)

3a^6b^3 + 3a^4b^3 - 3a^2b^4
3a^8b^3 - 3a^4b^2 + 3a^2b^5
3a^5b^3 + 3a^3b^4 - 3ab^3
3a^7b^3 + 3a^5b^3 - 3a^3b^4

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Elije la opción que corresponde al resultado del siguiente binomio al cuadrado

(a + 5)2

a² + 10a + 25
2a + 10 + 5
a² + 25
a² + 5a + 10

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Elije la opción que corresponde al resultado del binomio al cuadrado

(3x + 8y)2

6x² + 48xy + 64y²
9x² + 32xy + 64y²
9x² + 48xy + 16y²
9x² + 48xy + 64y²

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Elije la opción que corresponde al producto por la diferencia de un binomio

(2 + x) (2 - x)

4 - x^2
4 - 2x
2x
4 + x^2

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