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PRUEBA 1- OCTAVO

Authored by Karla Fernandez

Mathematics

8th Grade

Used 3+ times

PRUEBA 1- OCTAVO
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

¿Cuál de las siguientes es un monomio? a) 3x b) x + 2 c) 4x^2 + 5x + 6

2x

3x

5x + 3

7x^3 + 4x^2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Identifica el polinomio en la siguiente expresión: a) 5xy b) 2x^2 + 3x + 1 c) 7

3x + 5

8y^2 + 2y

x^2 - 4

2x^2 + 3x + 1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Realiza la operación: (3x^2 + 2x) + (4x^2 - x)

5x^2 + 3x

8x^2 + 2x

7x^2 + x

6x^2 - 2x

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Multiplica los monomios: (2x)(3x^2)

2x^3

5x^3

6x^3

6x^2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplifica la expresión: 4x + 2x - 3x

5x

-x

3x

2x

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calcula el valor numérico del polinomio 2x^2 + 3x - 5 para x = 2

7

11

4

9

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Resuelve el sistema de ecuaciones: 2x + 3y = 6 y x - y = 1

x = 3, y = 1

x = 2, y = 0

x = 9/5, y = 4/5

x = 1, y = 1

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