Quiz about Repaso Primer Parcial

Question 1

Dado el conjunto:

$$A=\left\{-\frac{2}{3},\ -\ \sqrt[]{1},\ 0,\ \frac{\pi}{2},\ \frac{12}{5},\ \frac{9}{3}\right\}$$

seleccione las opciones que considere correctas:

Accepted Answer

$$Naturales=\left\{\frac{9}{3}\right\}$$

$$Enteros=\left\{0,\ -\ \sqrt[]{1},\ \frac{9}{3}\right\}$$

Accepted Answer

$$Racionales=\left\{-\frac{2}{3},\ -\ \sqrt[]{1},\ 0,\ \frac{12}{5},\ \frac{9}{3}\right\}$$ $$Irracionales=\left\{\frac{\pi}{2}\right\}$$

Answer

$$Naturales=\left\{\right\}$$

$$Enteros=\left\{0,\ -\ \sqrt[]{1}\right\}$$

Answer

$$Racionales=\left\{-\frac{2}{3},\ -\ \sqrt[]{1},\ 0,\ \frac{12}{5},\ \frac{9}{3}\right\}$$ $$Irracionales=\left\{\right\}$$

Question 2

Resuelva:

$$-\left\{3\cdot\left(4-6\right)^2-10\left[\left(2+3\right)-5\right]\right\}$$

Accepted Answer

$$-12$$

Answer

$$12$$

Answer

$$-2$$

Answer

$$0$$

Question 3

$$-\left(-\left(-\left(2\left(-\left(3-7\right)\right)\right)\right)\right)$$

Accepted Answer

$$-8$$

Answer

$$2$$

Answer

$$8$$

Answer

$$-2$$

Question 4

Resuelva:

$$\frac{5}{2}\div\frac{7}{2}-\frac{1}{4}$$

Accepted Answer

$$\frac{13}{28}$$

Answer

$$\frac{34}{4}$$

Answer

$$\frac{17}{2}$$

Answer

$$\frac{10}{13}$$

Question 5

Resuelva:

$$\frac{2}{5}+\frac{5}{6}\cdot\frac{2}{3}$$

Accepted Answer

$$\frac{43}{45}$$

Answer

$$\frac{37}{45}$$

Answer

$$\frac{33}{20}$$

Answer

$$\frac{1}{2}$$

Question 6

'Cause you make me feel like
I've been locked out of heaven

Accepted Answer

For too long, for too long

Answer

Someone like you

Answer

I hope he buys you flowers
I hope he holds your hand

Answer

Never mind, I'll find someone like you

Question 7

Resuelva:

$$\left(2xy^3\right)\left(5x^5y^{-2}\right)$$

Accepted Answer

$$10x^6y$$

Answer

$$\frac{10x^5}{y^6}$$

Answer

$$10x^6y^{-1}$$

Answer

$$7x^6y$$

Question 8

Resuelva:

$$\left(4x^2y^3\right)^2\left(\frac{x}{y^6}\right)^3$$

Accepted Answer

$$\frac{16x^7}{y^{12}}$$

Answer

$$\frac{8x^7}{y^4}$$

Answer

$$\frac{16x^7}{y^4}$$

Answer

Ninguna de las anteriores.

Question 9

$$x^m\cdot x^n=x^{m\cdot n}$$

Accepted Answer

Falso

Answer

Verdadero

Question 10

$$\left(\frac{x^{-2}\cdot y}{x^3\cdot y^{-1}}\right)^{-1}=\frac{y^2}{x^5}$$

Accepted Answer

Falso

Answer

Verdadero

Question 11

$$\left(\frac{x}{y}\right)=\left(\frac{y}{x}\right)^{-1}$$

Accepted Answer

Verdadero

Answer

Falso

Question 12

Resuelva:

$$\sqrt[4]{8x^7y^9}\cdot\sqrt[4]{4x^5y^8}$$

Accepted Answer

$$2x^3y^4\cdot\sqrt[4]{2y}$$

Answer

$$x^3y^4\cdot\sqrt[4]{8y}$$

Answer

$$2x^3y^4\cdot\sqrt[4]{y}$$

Answer

Ninguna de las anteriores.

Question 13

Exprese como un polinomio:

$$\left(8x^4-3x^3+x-5\right)-\left(-4x^3+x^2+x+5\right)$$

Accepted Answer

$$8x^4+x^3-x^2-10$$

Answer

$$8x^4+x^3+x^2+2x$$

Answer

$$8x^4+x^3+x^2+2x$$

Answer

$$8x^4-x^3+x^2+10$$

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