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Arithmatic Sequence

Authored by Piyaporn Kheawin

Mathematics

7th - 10th Grade

Used 207+ times

Arithmatic Sequence
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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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