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Tets Inecuaciones

Authored by REQUELME DARIO MEZA SALAZAR,

Mathematics

University

Used 8+ times

Tets Inecuaciones
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Cuál es el conjunto solución de la inecuación (2x−6)2≤0\left(2x-6\right)^2\le0

vacío

x∈Rx\in R

{3}

x∈(−∞;0)x\in\left(-\infty;0\right)

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Si x∈[2; 5]x\in\left[2;\ 5\right] entonces en qué intervalo se encuentra (1x−1)\left(\frac{1}{x-1}\right)

(1/4; 1)

[1/4; 1]

(1/4; 1]

[1/4; 1)

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Si −2<2x−1<0-2<2x-1<0 , entonces "x" se encuentra en el intervalo

[-1; 1]

(-1/2; 0)

]-1/2; 1/2[

[-1/2; 1/2]

4.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

Llamamos coeficiente principal de la inecuación c+ax+bx2≥0c+ax+bx^2\ge0 con b≠0b\ne0 a

(a)  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Cuál es el universo de la expresión ∣2x−13∣<2−x\left|2x-\frac{1}{3}\right|<2-x

2-x

(2x−13)>0\left(2x-\frac{1}{3}\right)>0

es imposible determinar

x≤2x\le2

6.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

7−9x2<1x7-9x^2<\frac{1}{x} se denomina inecuación

(a)  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

¿Cuál es el conjunto solución de la inecuación x4x2>0\frac{x^4}{x^2}>0 ?

R

(0;+∞)\left(0;+\infty\right)

R-{0}

vacío

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