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Intervalos y semirrectas

Authored by Ana Cristina Ruiz

Mathematics

11th Grade

Used 27+ times

Intervalos y semirrectas
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19 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Intervalo semiabierto

Semirrecta abierta

Intervalo cerrado

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (,π)=\left(-\infty,\pi\right)=  

 {xR : xπ}\left\{x\in R\ :\ x\le\pi\right\}  

 {xR: x>π}\left\{x\in R:\ x>\pi\right\}  

 {xR: x<π}\left\{x\in R:\ x<\pi\right\}  

Semirrecta cerrada

 {xR:<x<π}\left\{x\in R:-\infty<x<\pi\right\}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 [2,7)(e,+)=\left[\sqrt{2},7\right)\cap\left(e,+\infty\right)=  

 [e,7]\left[e,7\right]  

 [2,+)\left[\sqrt{2},+\infty\right)  

 [2,e)\left[\sqrt{2},e\right)  

 (e,7)\left(e,7\right)  

 ϕ\phi  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (0,5)(2,5]=\left(0,5\right)\cup\left(2,5\right]=  

 (0,5)\left(0,5\right)  

 (0,5]\left(0,5\right]  

 [0,5)\left[0,5\right)  

 ϕ\phi  

 (2,5)\left(2,5\right)  

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Señala las DOS correctas (,2]=\left(-\infty,-2\right]=  

 {xR:x>2}\left\{x\in R:x>-2\right\}  

Semirrecta cerrada

 {xR:x2}\left\{x\in R:x\le-2\right\}  

Intervalo cerrado

 {xR:x2}\left\{x\in R:-\infty\le x\le-2\right\}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sea el intervalo A=(-2,4) y B=[-1,5), la unión entre A y B es:

A U B = (-2,5)

A U B = (-2,5]

A U B = [-1,4)

A U B = [-2,5)

ϕ\phi

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sea el intervalo A=(-5,5) y B=[-2,6), la intersección entre A y B es:

A ∩ B = [-2,5)

A ∩ B = [-5,6)

A ∩ B = (-2,5]

A ∩ B = [-2,6)

ϕ\phi

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