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Sequences and series

Authored by Wayground Content

Mathematics

9th - 12th Grade

CCSS covered

Sequences and series
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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following sequences of numbers is a geometric sequence?

5, 25, 125, 625,...

5, 25, 45, 65,...

Tags

CCSS.HSF.BF.A.2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Media Image
Media Image

Tags

CCSS.HSF.BF.A.2

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Identify the common difference in the given arithmetic sequence.

10, 20, 30, 40, ...

5

10

15

20

Tags

CCSS.HSF.BF.A.2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Write the explicit formula for the geometric sequence.

an = 2(100)n-1
an = 100(2)n-1
an = 100(1/2)n-1
an = (1/2)(100)n-1

Tags

CCSS.HSF.BF.A.2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

-3

+5

-2

+1

Tags

CCSS.HSF.BF.A.2

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Media Image

Describe the pattern and write the numeric sequence for the first 6 terms.

Multiply by 3 each time.

Add 3 each time.

5, 15, 45, 135, 405, 1215

5, 10, 15, 20, 25, 30, 35

Tags

CCSS.HSF.BF.A.2

7.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

The first term of a geometric sequence is 5 and the sixth term is 160.

What is the common ratio?

Tags

CCSS.HSF.BF.A.2

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