Arithmatic Sequence
Authored by Piyaporn Kheawin
Mathematics
7th - 10th Grade
Used 207+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which one is not arithmetic sequence
3/2, 2, 5/2, 3, ...
5/4, 1, 3/4, 1/4, ...
7/2, 3, 2, 1/2, ...
11/3, 9/3, 7/3, 5/3, ...
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Find the common difference of an arithmetic sequence ; -10x, -8x, -6x, …
x
2x
3x
4x
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
1) Calculate the 16th of arithmetic sequence ;
1, 3, 5, 7, …
29
31
33
35
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the first term of arithmetic sequence is given a6 = -19 and a10 = -31
-4
-3
-2
-1
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Find the common difference of an arithmetic sequence ; -2a + 3, -3a + 2, -4a + 1, …
-a + 1
-a – 1
a + 1
a – 1
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
สี่พจน์แรกของลำดับ an = 2n - 4 ตรงกับข้อใด
2, 0, -2, -4
-4, -2, 0, 2
6, 8, 10, 12
-2, 0, 2, 4
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
ลำดับเลขคณิตมีพจน์ที่ 10 และพจน์ที่ 15 มีค่าเท่ากับ -19 และ -34 ตามลำดับ พจน์ที่ 50 มีค่าเท่าใด
-139
-39
39
139
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