
翰林國中數學2下CH1-1-認識數列與等差數列

Quiz
•
Mathematics
•
8th Grade
•
Hard
翰林數學 翰林數學
Used 12+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有一等差數列a1,a2,a3,……,a16,若a16-a1=60,則此等差數列的公差為下列何者?
4
-4
7
-7
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
由奇數1,3,5,7,……形成的數列,其第n個數可以記為下列何者?
2n-1
2n+1
2n
2n+3
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
有一等差數列,其公差為3,若將其各項同時加上-5後,得一新的等差數列,則此新數列的公差為何?
-5
-2
2
3
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
有一個數列如下:1 , 1 , 2 , 3 , 5 , ○ , 13 , 21。又青看了很久,發覺此數列隱含著某種規律,同時也解出了○值,請問其值為何?
6
8
10
11
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列哪一個數列不是等差數列?
903,908,913,918,……
4,6,9,13.5,……
-15,-12,-9,……
2π,3π,4π,5π,……
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
關於數列 1 , 4 , 9 , 16 , ……,請問這個數列的規律是什麼?
每項都是 2 的倍數
每項都是正整數的平方
每項都是質數
沒有任何規律
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
從數列1,2,3,4,5,……,100中,刪去2的倍數,得到一個新的數列。有關這個新數列的敘述,下列何者正確?
是等差數列,公差為2
是等差數列,公差為-2
是等差數列,公差為1
不是等差數列
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