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przedziały

Authored by Aldona Magdalena

Mathematics

1st - 10th Grade

Used 11+ times

przedziały
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jeżeli x  ∈\in  [2,6),   to X  nie może być równy

2

5

5,98

6

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

−4<x≤10-4<x\le10  Nierówność tę można zapisać w postaci przedziału:

(−∞,−4)\left(-\infty,-4\right)  

[−4,10]\left[-4,10\right]  

(−4,10]\left(-4,10\right]  

(−4,10)\left(-4,10\right)  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(7,15]∩[15,20)=\left(7,15\right]\cap\left[15,20\right)=  

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(7,20)\left(7,20\right)  

{15}\left\{15\right\}  

(7,15)\left(7,15\right)  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

R −(4,9)=R\ -\left(4,9\right)=  

(−∞,4)∪(9,+∞)\left(-\infty,4\right)\cup\left(9,+\infty\right)  

[4,9]\left[4,9\right]  

(−∞,4]∪[9,+∞)\left(-\infty,4\right]\cup\left[9,+\infty\right)  

RR  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Przedział zilustrowany na osi można zapisać:

(−5,3]\left(-5,3\right]

[−5,3)\left[-5,3\right)

(−5,3)\left(-5,3\right)

[−5,3]\left[-5,3\right]

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

zbiór A={x: x∈R i  x≥6}A=\left\{x:\ x\in R\ i\ \ x\ge6\right\}  można zapisać:

(−∞,6]\left(-\infty,6\right]  

(0,6]\left(0,6\right]  

[6,+∞)\left[6,+\infty\right)  

(6,+∞)\left(6,+\infty\right)  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

przedział A = [2,5) można zaznaczyć na osi liczbowej

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