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Arithmetic Sequences

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Mathematics

9th Grade

CCSS covered

Used 2K+ times

Arithmetic Sequences
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16 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which sequence is NOT an arithmetic sequence?

-7, -13, -19, -25,...

-10, -6, -2, 2,..

6, 8, 10, 12,...

3, 15, 75, 375,...

Tags

CCSS.HSF.BF.A.2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which sequence is NOT an arithmetic sequence?

12, 18, 24, 30,...

10, 3, -4, -11,...

2, 4, 8, 16,...

16, 20, 24, 28,...

Tags

CCSS.HSF.BF.A.2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

We will start with the explicit formula. Given the following sequence, state the first term and common difference.

Example 1:          4, 7, 10, 13, 16, …

Tags

CCSS.HSF.BF.A.2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Now, find the term BEFORE term 1 (term 0).

Example 1:          4, 7, 10, 13, 16, …

 1

 4

 7

 0

Tags

CCSS.HSF.BF.A.2

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Now, write the explicit formula for the given sequence.

Example 1:          4, 7, 10, 13, 16, …

Tags

CCSS.HSF.BF.A.2

6.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

State the common difference:

Example 2: 21, 19, 17, 15, …

Tags

CCSS.HSF.BF.A.2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Write an explicit rule to model the following sequence:

Example 2: 21, 19, 17, 15, …

an=212na_n=21-2n

an=21+2na_n=21+2n

an=23+2na_n=23+2n

an=232na_n=23-2n

Tags

CCSS.HSF.BF.A.2

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