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INTERVALS

Authored by Navarri Marcel

Mathematics

11th Grade

Used 3+ times

INTERVALS
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11 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tots els nombres més grans que 3

3>x3>x

x>3x>3

x≤3x\le3

x≥3x\ge3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 L′interval [3,5)L'interval\ \left[3,5\right)  

És tancat

És obert

És semiobert

És una semirecta

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

[10,16]\left[10,16\right]

[10,16)\left[10,16\right)

{xϵR I 10<x<16}\left\{x\epsilon R\ I\ \ 10<x<16\right\}

{xϵR I 10<x≤16}\left\{x\epsilon R\ I\ \ 10<x\le16\right\}

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Un interval obert d'extrems -2, i 3 és:

[−2, 3]\left[-2,\ 3\right]

(−∞, 3)\left(-\infty,\ 3\right)

(−2,3]\left(-2,3\right]

−2>x>3-2>x>3

Cap resposta és certa

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

Interval tancat d'extrems -2 i 3

[−3,2]\left[-3,2\right]

{x∈R I −3≤x≤2}\left\{x\in R\ \ I\ -3\le x\le2\right\}

{x∈R I −3<x<2}\left\{x\in R\ \ I\ -3<x<2\right\}

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

{x∈R I −3≤x≤2}\left\{x\in R\ \ I\ -3\le x\le2\right\}

{x∈R I −3≤x<2}\left\{x\in R\ \ I\ -3\le x<2\right\}

{x∈R I −3<x≤2}\left\{x\in R\ \ I\ -3<x\le2\right\}

{x∈N I −3≤x<2}\left\{x\in N\ \ I\ -3\le x<2\right\}

7.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

El nombre 47\frac{4}{7}  arrodonit a una xifra decimal és



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