Quiz about Inecuaciones con valor absoluto

Question 1

$$\left|x+5\right|\ge3$$

Accepted Answer

$$\left(-\infty,-8\right]\cup\left[-2,+\infty\right)$$

Answer

$$\left(-\infty,-8\right]\cap\left[-2,+\infty\right)$$

Answer

$$\left(-5,-3\right)\cap\left(5,3\right)$$

Answer

undefined

Question 2

$$\left|x-3\right|\le12$$

Accepted Answer

$$\left[-9,15\right]$$

Answer

$$\left(-3,12\right)$$

Answer

$$\left(-9,15\right)$$

Answer

$$\left[9,15\right]$$

Question 3

$$\left|\frac{2x+4}{3}\right|\le6$$

Accepted Answer

$$\left[-11,7\right]$$

Answer

$$\left[11,7\right]$$

Answer

$$\left[-11,-7\right]$$

Answer

$$\left(-11,7\right)$$

Question 4

Question 4.

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 5

$$\left|x\right| 0

Accepted Answer

$$-a<x<a$$

Answer

$$x>a\ \ \ ó\ \ \ x

Answer

$$x>a\ \ \ ó\ \ \ x<-a$$

Answer

$$x<a$$

Question 6

$$\left|x\right|\le6$$ El resultado de

Accepted Answer

$$-6\le\ x\ \le6$$

Answer

$$x=6\ \ o\ \ \ x=-6$$

Answer

$$x<6\ \ \ o\ x>6$$

Answer

$$-6\ge x\ge6$$

Question 7

Resuelve:

|x-3|< 4

Accepted Answer

-1 < x < 7

Answer

-7 < x < 1

Answer

1 < x < 4

Answer

-3 < x < 7

Question 8

El valor absoluto es siempre positivo?

Accepted Answer

Si

Answer

No

Answer

A veces

Question 9

El valor absoluto de |3| es 0.

Accepted Answer

False

Answer

True

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