下列哪一個數列不是等差數列?

八年級數學-等差數列

Quiz
•
Mathematics
•
8th Grade
•
Hard
蔡佩旻 蔡佩旻
Used 12+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
903 , 908 , 913 , 918 , ……
4 , 6 , 9 , 13.5 , ……
-15 , -12 , -9 , ……
2π , 3π , 4π , 5π , ……
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
數列-8 , -5 , -2 , ……的第 37 項為何?
111
108
106
100
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
由偶數 2 , 4 , 6 , 8 , ……形成的數列,其第 n 個數可以寫成下列何者?
2n
2n+1
2n-3
2n+2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若一數列的第 n 項可寫成 4n+5,求 a20=?
75
80
85
90
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若等差數列第 n 項 an=-5n+42,則此等差數列的公差為何?
5
-5
42
-42
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
若等差數列的第 10 項是 31,第 15 項是 46,則此數列的第 20 項為何?
61
59
57
53
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
已知一等差數列的第 7 項為 109,公差為-2,則第 107 項為何?
-91
-89
-87
-85
Create a free account and access millions of resources
Similar Resources on Wayground
21 questions
0620數理測驗

Quiz
•
6th - 8th Grade
15 questions
國中教育會考(數學)

Quiz
•
7th - 9th Grade
11 questions
(測試題)

Quiz
•
8th Grade
17 questions
國中數學總複習七上第二三章

Quiz
•
7th - 9th Grade
12 questions
434三角形的邊角關係

Quiz
•
8th Grade
20 questions
八年級數學-等差級數

Quiz
•
8th - 9th Grade
11 questions
初二數學一次函數複習

Quiz
•
8th Grade
20 questions
多項式的加減&乘除

Quiz
•
8th Grade
Popular Resources on Wayground
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade