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MATEMÁTICA PREUNIVERSITARIA

Authored by Mayra De Sosa

Mathematics

11th Grade

Used 13+ times

MATEMÁTICA PREUNIVERSITARIA
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25 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 18÷3+(42(3+12÷3))+9 ?18\div3+\left(4^2-\left(3+12\div3\right)\right)+9\ ?  

¿Cuál es el valor numérico de

24

26

16

33

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

¿Cuál de las siguientes igualdades es correcta?

 (72)(7)(74)=76\left(7^2\right)\left(7\right)\left(7^4\right)=7^6  

 (72)(7)(74)=77\left(7^2\right)\left(7\right)\left(7^4\right)=7^7  

 72+7+74=2177^2+7+7^4=21^7  

 72+7+74=777^2+7+7^4=7^7  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 32x3(7x+5(3x+12))+1932x-3\left(-7x+5\left(-3x+12\right)\right)+19  
Encuentre el valor de la expresión dada

8x+199

98x-161

98x+199

8x-161

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Si b = 10 y 3b + 5a = 55, entonces el valor de "a" es

-17

-5

5

17

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 ¿Cuaˊl es el valor de a2+b2?¿Cuál\ es\ el\ valor\ de\ a^2+b^2?   Si a=3x5  Y  b=5x+2, Si\ a=3x-5\ \ Y\ \ b=5x+2,\   

 34x22134x^2-21  

 34x2+2934x^2+29  

 34x210x+2934x^2-10x+29  

 3425x+2934^2-5x+29  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 6x12x9x2\sqrt{6x^{ }\sqrt{12x\sqrt{9x^2}}}  el valor de la expresión es

 12x12x  

 6x6x  

 36x236x^2  

6

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 En la expresioˊn   W=tx3En\ la\ \exp resión\ \ \ W=\frac{t}{x^3}      Encuentre el valor de x, si W=2  Y t=250\ \ \ Encuentre\ el\ valor\ de\ x,\ si\ W=2\ \ Y\ t=250  

250

125

5

3

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