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Práctica de operaciones algebraicas

Authored by Judith Caballero

Mathematics

4th Grade

Used 32+ times

Práctica de operaciones algebraicas
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

3x4 –5x2 + 2x4 +6x -7 +x2 – 5x -4 – 5x + 2 + 7x2 =

5x4 +3x2 + 4x -9

5x4 + 3x2 - 6x -9

5x4 + 3x2 - 4x -9

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sean los polinomios

A= 5x2 y – 3xy2 +3xy

B= 6x2 y – 2xy2 +7xy

C= - 4x2 y + 5xy2 - 6xy

Al realizar la operación A-(B+C) su resultado es:

3x2 y – 0xy2 + 4xy

3x2 y + 6xy2 + 2xy

3x2 y – 6xy2 + 2xy

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

El valor numérico de la expresión:

P (x, y, z) = 8y2 + 7x3 + 3z para: x = -1, y = 1, z = 2 es:

7

21

1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El resultado de la multiplicación (3x) (3x5) (-2x) es:

- 18 x7

- 18 x5

18 x7

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

El resultado de multiplicar

(6x2) (4x3 – 2x + 1) es:

24x5 + 12x3 - 6x2

24x5 – 12x3 + 6x2

24x6 – 12x2 + 6x2

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

El resultado de multiplicar los polinomios

(4x – 3x3 + 2x2 – 1) ( 4x + 2x2 ) es:

6x5 - 8x4 + 16x3 + 14x2 - 4x

- 6x5 + 8x4 - 16x3 + 14x2 - 4x

- 6x5 - 8x4 + 16x3 + 14x2 - 4x

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El resultado de la siguiente división 12x : 3x2 es:

4x-1

4x

4x3

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