Quiz about Cuestionario (Introductorio 20241)

Question 1

Los cardinales de $$A=\left\{x\ es\ un\ dígito\ primo\ de\ 14680\right\}$$ , $$B=\left\{y\mid\ y\ es\ impar\ divisor\ de\ 18\right\}$$ , $$C=\left\{a\ es\ consonante\ de\ empresa\right\}$$ y $$Z\ \left(números\ enteros\right)$$ son (respectivamente):

Accepted Answer

0, 2, 4, infinito

Answer

2, 2, 2, infinito

Answer

1, 2, 4, infinito

Answer

1, 2, 4, 10

Question 2

Si $$U=Dígitos$$ , $$A=Dígitos\ primos$$ y $$B=Dígitos\ impares$$ , entonces el conjunto $$A$$ es:

Accepted Answer

$$\left\{1,9\right\}$$

Answer

$$\left\{2,3,5,7\right\}$$

Answer

$$\varnothing\ $$

Answer

$$\left\{0,1,3,4,5,6,7,8,9\right\}$$

Question 3

El mcm(18,45) y el MCD(18,45) son (respectivamente):

Accepted Answer

90 y 9

Answer

9 y 90

Answer

9 y 5

Answer

3 y 2

Question 4

El resultado simplificado de $$\frac{3}{4}+\frac{5}{6}-\frac{1}{10}$$ es:

Accepted Answer

$$\frac{89}{60}$$

Answer

$$\frac{7}{10}$$

Answer

$$\frac{356}{240}$$

Question 5

Los resultados simplificados de $$\frac{1}{5}\left(-\frac{9}{4}\right)\left(-\frac{12}{6}\right)$$ y $$\frac{5}{12}\div\frac{5}{6}$$ son (respectivamente):

Accepted Answer

$$\frac{9}{10}\ y\ \frac{1}{2}$$

Answer

$$-\frac{4}{3}\ y\ \frac{25}{72}$$

Answer

$$\frac{108}{120}\ y\ \frac{30}{60}$$

Question 6

Los resultados de $$-3^5$$ y $$\left(-\frac{2}{3}\right)^4$$ (respectivamente) son:

Accepted Answer

$$-243\ y\ \frac{16}{81}$$

Answer

$$243\ y\ -\frac{16}{81}$$

Answer

$$-243\ y\ -\frac{16}{81}$$

Answer

$$243\ y\ \frac{16}{81}$$

Question 7

Las simplificaciones de $$\frac{6^4}{6^7}\ y\ 6^2\cdot12^3\cdot9$$ son (respectivamente):

Accepted Answer

$$\frac{1}{2^3\cdot3^3}\ y\ 3^7\cdot2^8$$

Answer

$$2^3\cdot3^3\ y\ 3^7\cdot2^5$$

Answer

$$\frac{2^3}{3^3}\ y\ 27^6$$

Question 8

Las expresiones $$\left(4^6\right)^{\frac{1}{3}}\ y\ \left(\left(\frac{3}{4}\right)^4\right)^{-\frac{1}{2}}$$ son iguales (respectivamente) a:

Accepted Answer

$$2^4\ y\ \frac{16}{81}$$

Answer

$$2^4\ y\ \frac{81}{16}$$

Answer

$$2^4\ y\ -\frac{16}{81}$$

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