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Expresiones algebraicas

Authored by DANY VASQUEZ

Mathematics

9th Grade

Used 68+ times

Expresiones algebraicas
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10 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Representa algebraicamente "La mitad de un número"

2×2\times

×2\times^2

×2\frac{\times}{2}

2×2^{\times}

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Representa algebráicamente "la tercera parte de un número es 6"

x3=6x^3=6

3×=63\times=6

3×=6\frac{3}{\times}=6

×3=6\frac{\times}{3}=6

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Representa algebráicamente "El cuadrado de la suma de dos números"

⌈x+y⌉22\frac{\lceil x+y\rceil^2}{2}

⌈x+y⌉2\lceil x+y\rceil^2

x2+y2x^2+y^2

⌈x2+y⌉2\lceil x^2+y\rceil^2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Si a= - 2 y b= 3, entonces 2a + 2b es:

-10

2

10

-2

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Si a= 5 y b= 2, entonces  2a2+b3−ab2a^2+b^3-ab    es:

64

-44

-64

44

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Si a= - 1 y b= 4, entonces  −ab + 2a2ba+b\frac{-ab\ +\ 2a^2b}{a+b}   es:

 −45\frac{-4}{5}  

 123\frac{12}{3}  

 45\frac{4}{5}  

 −123\frac{-12}{3}  

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Calcula el valor de la siguiente mutiplicación  ⌈5x−2⌉⌈x+3⌉\lceil5x-2\rceil\lceil x+3\rceil  

 5x2+17x − 65x^2+17x\ -\ 6  

 5x2+13x + 65x^2+13x\ +\ 6  

 5x2+13x − 65x^2+13x\ -\ 6  

 5x2+17x + 65x^2+17x\ +\ 6  

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