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Understanding Arithmetic Sequences

Authored by Shaozhen Liang

Mathematics

7th Grade

CCSS covered

Used 2+ times

Understanding Arithmetic Sequences
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What defines an arithmetic sequence?

A sequence where numbers decrease by a constant value.

A sequence where numbers increase by a variable value.

A sequence of random numbers.

A sequence where the same value is added or subtracted each time.

Tags

CCSS.HSF.BF.A.2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the expression for the nth term of the given sequence: 5, 9, 13, 17, 21?

5n + 1

3n + 2

4n + 1

n + 4

Tags

CCSS.HSF.BF.A.2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it useful to express the nth term of an arithmetic sequence?

To predict future values of the sequence.

To find any term in the sequence efficiently.

To understand the sequence's pattern visually.

To calculate the sum of the sequence's terms.

Tags

CCSS.HSF.BF.A.2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you find the 3rd term in the sequence using the expression 4n + 1?

4 * 3 + 1 = 13

3 * 3 + 1 = 10

4 * 2 + 1 = 9

4 * 4 + 1 = 17

Tags

CCSS.HSF.BF.A.2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the 50th term of the sequence if the expression is 4n + 1?

201

205

210

199

Tags

CCSS.HSF.BF.A.2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you determine the common difference in an arithmetic sequence?

By adding the first two terms.

By subtracting any term from its preceding term.

By dividing the last term by the first term.

By multiplying the first term by the sequence number.

Tags

CCSS.HSF.BF.A.2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the expression for a sequence decreasing by 5 each time, starting with 26?

5n - 26

5n + 31

-5n - 31

-5n + 31

Tags

CCSS.HSF.BF.A.2

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