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3-1-1등차수열

Authored by 정일권#Smile쌤 정일권#Smile쌤

Mathematics

11th Grade

Used 1+ times

3-1-1등차수열
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6 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

첫째항에서 차례로 일정한 수를 더하여 얻어진 수열의 이름은?

공차수열

등차수열

등비수열

등합수열

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

등차수열에서 일정하게 더한 수

공차

공비

등차

등비

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

다음 수열의 공차는?

2, 6, 10, 14, ...

1

2

3

4

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

첫째항이  aa  , 공차가  dd 인 등차수열의 일반항 ana_n 은?

 an=a+(n1)da_n=a+\left(n-1\right)d  

 an=a+nda_n=a+nd  

 an=a+(n+1)da_n=a+\left(n+1\right)d  

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 2, 4, 6, 8, 2,\ 4,\ 6,\ 8,\ \cdots  

다음 수열의 일반항은?

 an=2na_n=2n  

 an=2n+1a_n=2n+1  

 an=3na_n=3n  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

첫째항이 2이고 공차가3인 등차수열의 일반항은?

 an=3n2a_n=3n-2  

 an=3n1a_n=3n-1  

 an=2n+1a_n=2n+1  

 an=2n1a_n=2n-1  

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