2º ESO MATEMATICAS subida nota

2º ESO MATEMATICAS subida nota

8th Grade

37 Qs

quiz-placeholder

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2º ESO MATEMATICAS subida nota

2º ESO MATEMATICAS subida nota

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

CCSS
6.EE.A.2C, 6.EE.B.5, HSG.SRT.B.5

+3

Standards-aligned

Created by

Mj dcc

Used 81+ times

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37 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

para la siguiente función ( puedes contestar más de una )

su dominio es ( - ∞,+ ∞ )

su recorrido (-1, +1)

su dominio es (- ∞ ,+ ∞) excepto x=1

su recorrido es y=1

su recorrido es de (- ∞,+ ∞)

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Bernardo ha comprado un queso que pesa 1,5 Kg y un trozo de jamón de 0,75 kg . ¿Cuántos kilos pesan en total el queso y el jamón? ¿Cuántos kilos pesa el queso más que el jamón?

En total pesan 2,25 kg

El queso pesa 0,75 kg más

En total pesan 22,5 kg

El queso pesa 0,75 kg menos

En total pesan 2,25 kg

El queso pesa 7,5 kg más

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

El valor numérico de la expresión  3x24x3x^2-4x  para  x=3x=-3  es:

-39

15

-15

39

Tags

CCSS.6.EE.A.2C

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (3x5+2x2)(2x4+x)=\left(3x^5+2x^2\right)\cdot\left(-2x^4+x\right)=  

 6x9x6+2x3-6x^9-x^6+2x^3  

 6x20+3x54x8+2x3-6x^{20}+3x^5-4x^8+2x^3  

 6x204x8+3x5+2x3-6x^{20}-4x^8+3x^5+2x^3  

 6x9+7x6+3x3-6x^9+7x^6+3x^3  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

x + { 2 [ 3 (x - 1) + 2] - x } = 6 - x

8/7

7/8

-8/7

-7/8

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image
Resolver
3
5
7
4

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image
Hallar "x"
-12
12
22
-22

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