Resolución de problemas

Resolución de problemas

8th - 12th Grade

8 Qs

quiz-placeholder

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Resolución de problemas

Resolución de problemas

Assessment

Quiz

Mathematics

8th - 12th Grade

Practice Problem

Medium

CCSS
7.EE.B.4A

Standards-aligned

Created by

Yasmín Contreras

Used 2+ times

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Resuelve la siguiente ecuación  2 + x = 42 \ + \ x \ = \ 4  

 x=2x=-2  

 x=6x=6  

 x=2x=2  

Ninguna es correcta

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 5 x 5=05\ x\ -5=0  

 x=0x=0  

 x=1x=-1  

 x=5x=5  

 x=1x=1  

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 3 x+25 x=9 x+6x53\ x+2−5\ x=9\ x+6x−5  

 x= 717x=\ \frac{7}{17}  

 x = 2x\ =\ 2  

 x =7x\ =-7  

  x-\ x  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 5x3=15\frac{5x}{3}=15  

 x = 9x\ =\ -9  

 x = 18x\ =\ 18  

 x = 9x\ =\ 9  

 x = 45x\ =\ 45  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

La suma de un número más su triple es 40. ¿Cuál es dicho número?

9
-10
10
-9

Tags

CCSS.7.EE.B.4A

6.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Indica cuáles de las siguientes expresiones son identidades.

7x35x3+9x3=117x^3-5x^3+9x^3=11

7x35x3+9x3=(75+9)x3=11x37x^3-5x^3+9x^3=\left(7-5+9\right)x^3=11x^3

4x×5x=20x24x\times5x=20x^2

6x2=66x^2=6

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

X = 112X\ =\ 112

X = 211X\ =\ -211

X = 311X\ =\ -311

Ninguna es correcta

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