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Sequences & Series

Authored by Marc Lauzon

Mathematics

10th - 12th Grade

CCSS covered

Used 21+ times

Sequences & Series
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12 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the twelfth term in the sequence 3, -6, 12, . . . ?

-12288

6,144

-6,144

12288

Tags

CCSS.HSF.BF.A.2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the explicit formula for the sequence:
11, 22, 44, 88...

an = 2(11)n-1
an = an-1 ⋅ 2
an = 11(2)n-1
an = an-1 + 11

Tags

CCSS.HSF.LE.A.2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the sum of the first ten terms of the sequence 4, -12, 36, -108 . . . ?

59,050

-59,048

-78,732

118,096

Tags

CCSS.HSA.SSE.B.4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which sequence is arithmetic?

4, 8, 16, 32, 64, ...

4, 6, 10, 12, 16, ...

4, 1, -2, -5, -8, ...

4, 2, 1, 1/2, 1/4, ...

Tags

CCSS.HSF.BF.A.2

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the 22nd term of the following sequence:
5, 8, 11, ...

14

68

63

71

Tags

CCSS.HSF.BF.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which recursive formula best describes the following sequence:
3, 8, 13, 18, 23...

an = (3)n-1 ; a=5

an = (5)n-1 ; a=3

an = an-1+3 ; a=5

an = an-1+5 ; a=3

Tags

CCSS.HSF.IF.A.3

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the sum of the first 50 terms of the series 2 + 17 + 32 + 47 + ...?

1,600

18,235

18,475

19,125

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