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CENEVAL

Authored by Itzel Hernández

Mathematics

1st Grade

Used 64+ times

CENEVAL
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20 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Obtén el siguiente resultado: (7ab-9c)2

49a2b2 - 81c2

49a2b2 + 81c2

49a2b2 - 126abc + 81c2

49a2b2 + 126abc + 81c2

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Obtén el siguiente producto notable: (5x-3)3

125x3 - 225x2 + 135x - 27

125x3 + 225x2 + 135x - 27

125x3 - 225x2 + 135x + 27

125x3 + 225x2 - 135x - 27

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Considere el siguiente sistema de ecuaciones:

8a - 3b = 5

5a - 2b = 4

¿Cuál es el valor de "a"?

a = 2

a = -2

a = 7

a = -7

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Encuentra el valor de x:

8x - 8 + x = 4 + 5x

5

-4

1

3

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Encuentra el valor de x:

3(7x - 2) = 11 - 4(2x - 3)

1

-2

-1

2

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Resuelve el siguiente sistema de ecuaciones:

4x - 3y = 2

5x + y = -7

x=3, y=0

x= -1, y= -2

x= -4, y=1

x=0, y=-3

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Resuelve la siguiente jerarquía de operaciones:

678 - [(34 + 28) + 4(73 - 15) - (12 + 43)]

546

134

439

476

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