Arithmetic Sequences

Arithmetic Sequences

Assessment

Flashcard

Mathematics

9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is an arithmetic sequence?

Back

An arithmetic sequence is a sequence of numbers in which the difference between consecutive terms is constant.

2.

FLASHCARD QUESTION

Front

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

Back

The common difference (d) is found by subtracting any term from the subsequent term: d = a(n) - a(n-1).

3.

FLASHCARD QUESTION

Front

Given the sequence 29, 21, 13, 5, what is the common difference?

Back

d = -8.

4.

FLASHCARD QUESTION

Front

Is the sequence 17, 9, 1, -7 an arithmetic sequence?

Back

Yes, it is an arithmetic sequence.

5.

FLASHCARD QUESTION

Front

What is the explicit formula for an arithmetic sequence?

Back

The explicit formula is a(n) = a(1) + (n - 1)d, where a(1) is the first term and d is the common difference.

6.

FLASHCARD QUESTION

Front

Select the explicit rule for the sequence: 6, 11, 16, 21,...

Back

a(n) = 6 + 5(n - 1).

7.

FLASHCARD QUESTION

Front

Given the sequence 1, 201, 401, 601, what is the common difference?

Back

d = 200.

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