
高二愛_等差等比數列
Authored by hiofan Wong
Mathematics
11th Grade
Used 2+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
已知數列的前4項,則以下哪一項是等比數列?
2,3,4,5,…
1,4,9,16,…
2,4,6,8,…
-2,4,-8,16,…
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
已知數列的前4項,則以下哪一個是等差數列?
27,9,3,1,…
8,4,2,0,…
10,8,6,4,…
16,-4,1,4
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
數列1,1,1,1,…是( )
等差數列
等比數列
既是等差數列也是等比數列
以上皆非
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
已知等比數列的a1=2和q=3,則該數列的第4項是( )
11
14
54
162
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
等比數列的a1=4和q=2,則該數列的前5項和是( )
121
-121
92
-92
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
等差數列的首項為5,公差為-2,則前10項之和為( )
-80
80
40
-40
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
數列:-9,-5,-1,3,…的第10項為( )
23
27
31
35
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